Bicep core diagnostics

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Code	Level	Description
BCP001	Error	The following token isn't recognized: "{token}".
BCP002	Error	The multi-line comment at this location isn't terminated. Terminate it with the */ character sequence.
BCP003	Error	The string at this location isn't terminated. Terminate the string with a single quote character.
BCP004	Error	The string at this location isn't terminated due to an unexpected new line character.
BCP005	Error	The string at this location isn't terminated. Complete the escape sequence and terminate the string with a single unescaped quote character.
BCP006	Error	The specified escape sequence isn't recognized. Only the following escape sequences are allowed: {ToQuotedString(escapeSequences)}.
BCP007	Error	This declaration type isn't recognized. Specify a metadata, parameter, variable, resource, or output declaration.
BCP008	Error	Expected the "=" token, or a newline at this location.
BCP009	Error	Expected a literal value, an array, an object, a parenthesized expression, or a function call at this location.
BCP010	Error	Expected a valid 64-bit signed integer.
BCP011	Error	The type of the specified value is incorrect. Specify a string, boolean, or integer literal.
BCP012	Error	Expected the "{keyword}" keyword at this location.
BCP013	Error	Expected a parameter identifier at this location.
BCP015	Error	Expected a variable identifier at this location.
BCP016	Error	Expected an output identifier at this location.
BCP017	Error	Expected a resource identifier at this location.
BCP018	Error	Expected the <character> character at this location.
BCP019	Error	Expected a new line character at this location.
BCP020	Error	Expected a function or property name at this location.
BCP021	Error	Expected a numeric literal at this location.
BCP022	Error	Expected a property name at this location.
BCP023	Error	Expected a variable or function name at this location.
BCP024	Error	The identifier exceeds the limit of {LanguageConstants.MaxIdentifierLength}. Reduce the length of the identifier.
BCP025	Error	The property "{property}" is declared multiple times in this object. Remove or rename the duplicate properties.
BCP026	Error	The output expects a value of type "{expectedType}" but the provided value is of type "{actualType}".
BCP028	Error	Identifier "{identifier}" is declared multiple times. Remove or rename the duplicates.
BCP029	Error	The resource type isn't valid. Specify a valid resource type of format "<types>@<apiVersion>".
BCP030	Error	The output type isn't valid. Specify one of the following types: {ToQuotedString(validTypes)}.
BCP031	Error	The parameter type isn't valid. Specify one of the following types: {ToQuotedString(validTypes)}.
BCP032	Error	The value must be a compile-time constant.
BCP033	Error/Warning	Expected a value of type <data-type> but the provided value is of type <data-type>.
BCP034	Error/Warning	The enclosing array expected an item of type "{expectedType}", but the provided item was of type "{actualType}".
BCP035	Error/Warning	The specified <data-type> declaration is missing the following required properties: <property-name>.
BCP036	Error/Warning	The property <property-name> expected a value of type <data-type> but the provided value is of type <data-type>.
BCP037	Error/Warning	The property <property-name> isn't allowed on objects of type <type-definition>.
BCP040	Error/Warning	String interpolation isn't supported for keys on objects of type <type-definition>.
BCP041	Error	Values of type "{valueType}" can't be assigned to a variable.
BCP043	Error	This isn't a valid expression.
BCP044	Error	Can't apply operator "{operatorName}" to operand of type "{type}".
BCP045	Error	Can't apply operator "{operatorName}" to operands of type "{type1}" and "{type2}".{(additionalInfo is null? string.Empty : " " + additionalInfo)}
BCP046	Error	Expected a value of type "{type}".
BCP047	Error	String interpolation is unsupported for specifying the resource type.
BCP048	Error	Can't resolve function overload. For details, see the documentation.
BCP049	Error	The array index must be of type "{LanguageConstants.String}" or "{LanguageConstants.Int}" but the provided index was of type "{wrongType}".
BCP050	Error	The specified path is empty.
BCP051	Error	The specified path begins with "/". Files must be referenced using relative paths.
BCP052	Error/Warning	The type <type-name> doesn't contain property <property-name>.
BCP053	Error/Warning	The type <type-name> doesn't contain property <property-name>. Available properties include <property-names>.
BCP054	Error	The type "{type}" doesn't contain any properties.
BCP055	Error	Can't access properties of type <type-name>. A <type-name> type is required.
BCP056	Error	The reference to name "{name}" is ambiguous because it exists in namespaces {ToQuotedString(namespaces)}. The reference must be fully qualified.
BCP057	Error	The name <name> doesn't exist in the current context.
BCP059	Error	The name "{name}" isn't a function.
BCP060	Error	The "variables" function isn't supported. Directly reference variables by their symbolic names.
BCP061	Error	The "parameters" function isn't supported. Directly reference parameters by their symbolic names.
BCP062	Error	The referenced declaration with name <type-name> isn't valid.
BCP063	Error	The name <name> isn't a parameter, variable, resource, or module.
BCP064	Error	Found unexpected tokens in interpolated expression.
BCP065	Error	Function <function-name> isn't valid at this location. It can only be used as a parameter default value.
BCP066	Error	Function <function-name> isn't valid at this location. It can only be used in resource declarations.
BCP067	Error	Can't call functions on type "{wrongType}". An "{LanguageConstants.Object}" type is required.
BCP068	Error	Expected a resource type string. Specify a valid resource type of format "<types>@<apiVersion>".
BCP069	Error	The function "{function}" isn't supported. Use the "{@operator}" operator instead.
BCP070	Error	Argument of type "{argumentType}" isn't assignable to parameter of type "{parameterType}".
BCP071	Error	Expected <arugment-count>, but got <argument-count>.
BCP072	Error	This symbol can't be referenced here. Only other parameters can be referenced in parameter default values.
BCP073	Error/Warning	The property <property-name> is read-only. Expressions can't be assigned to read-only properties.
BCP074	Error	Indexing over arrays requires an index of type "{LanguageConstants.Int}" but the provided index was of type "{wrongType}".
BCP075	Error	Indexing over objects requires an index of type "{LanguageConstants.String}" but the provided index was of type "{wrongType}".
BCP076	Error	Can't index over expression of type "{wrongType}". Arrays or objects are required.
BCP077	Error/Warning	The property <property-name> on type <type-name> is write-only. Write-only properties can't be accessed.
BCP078	Error/Warning	The property <property-name> requires a value of type <type-name>, but none was supplied.
BCP079	Error	This expression is referencing its own declaration, which isn't allowed.
BCP080	Error	The expression is involved in a cycle ("{string.Join("" -> "", cycle)}").
BCP081	Warning	Resource type "{resourceTypeReference.FormatName()}" doesn't have types available. Bicep is unable to validate resource properties prior to deployment, but this won't block the resource from being deployed.
BCP082	Error	The name <name> doesn't exist in the current context. Did you mean <name>?
BCP083	Error/Warning	The type <type-definition> doesn't contain property <property-name>. Did you mean <property-name>?
BCP084	Error	The symbolic name "{name}" is reserved. Use a different symbolic name. Reserved namespaces are {ToQuotedString(namespaces.OrderBy(ns => ns))}.
BCP085	Error	The specified file path contains one or more invalid path characters. The following aren't permitted: {ToQuotedString(forbiddenChars.OrderBy(x => x).Select(x => x.ToString()))}.
BCP086	Error	The specified file path ends with an invalid character. The following aren't permitted: {ToQuotedString(forbiddenPathTerminatorChars.OrderBy(x => x).Select(x => x.ToString()))}.
BCP087	Error	Array and object literals aren't allowed here.
BCP088	Error/Warning	The property <property-name> expected a value of type <type-name> but the provided value is of type <type-name>. Did you mean <type-name>?
BCP089	Error/Warning	The property <property-name> isn't allowed on objects of type <resource-type>. Did you mean <property-name>?
BCP090	Error	This module declaration is missing a file path reference.
BCP091	Error	An error occurred reading file. {failureMessage}
BCP092	Error	String interpolation isn't supported in file paths.
BCP093	Error	File path "{filePath}" couldn't be resolved relative to "{parentPath}".
BCP094	Error	This module references itself, which isn't allowed.
BCP095	Error	The file is involved in a cycle ("{string.Join("" -> "", cycle)}").
BCP096	Error	Expected a module identifier at this location.
BCP097	Error	Expected a module path string. This should be a relative path to another Bicep file, e.g. 'myModule.bicep' or '../parent/myModule.bicep'
BCP098	Error	The specified file path contains a "" character. Use "/" instead as the directory separator character.
BCP099	Error	The "{LanguageConstants.ParameterAllowedPropertyName}" array must contain one or more items.
BCP100	Error	The function "if" isn't supported. Use the "?:" (ternary conditional) operator instead, e.g. condition ? ValueIfTrue : ValueIfFalse
BCP101	Error	The "createArray" function isn't supported. Construct an array literal using [].
BCP102	Error	The "createObject" function isn't supported. Construct an object literal using {}.
BCP103	Error	The following token isn't recognized: "{token}". Strings are defined using single quotes in Bicep.
BCP104	Error	The referenced module has errors.
BCP105	Error	Unable to load file from URI "{fileUri}".
BCP106	Error	Expected a new line character at this location. Commas aren't used as separator delimiters.
BCP107	Error	The function "{name}" doesn't exist in namespace "{namespaceType.Name}".
BCP108	Error	The function "{name}" doesn't exist in namespace "{namespaceType.Name}". Did you mean "{suggestedName}"?
BCP109	Error	The type "{type}" doesn't contain function "{name}".
BCP110	Error	The type "{type}" doesn't contain function "{name}". Did you mean "{suggestedName}"?
BCP111	Error	The specified file path contains invalid control code characters.
BCP112	Error	The "{LanguageConstants.TargetScopeKeyword}" can't be declared multiple times in one file.
BCP113	Warning	Unsupported scope for module deployment in a "{LanguageConstants.TargetScopeTypeTenant}" target scope. Omit this property to inherit the current scope, or specify a valid scope. Permissible scopes include tenant: tenant(), named management group: managementGroup(<name>), named subscription: subscription(<subId>), or named resource group in a named subscription: resourceGroup(<subId>, <name>).
BCP114	Warning	Unsupported scope for module deployment in a "{LanguageConstants.TargetScopeTypeManagementGroup}" target scope. Omit this property to inherit the current scope, or specify a valid scope. Permissible scopes include current management group: managementGroup(), named management group: managementGroup(<name>), named subscription: subscription(<subId>), tenant: tenant(), or named resource group in a named subscription: resourceGroup(<subId>, <name>).
BCP115	Warning	Unsupported scope for module deployment in a "{LanguageConstants.TargetScopeTypeSubscription}" target scope. Omit this property to inherit the current scope, or specify a valid scope. Permissible scopes include current subscription: subscription(), named subscription: subscription(<subId>), named resource group in same subscription: resourceGroup(<name>), named resource group in different subscription: resourceGroup(<subId>, <name>), or tenant: tenant().
BCP116	Warning	Unsupported scope for module deployment in a "{LanguageConstants.TargetScopeTypeResourceGroup}" target scope. Omit this property to inherit the current scope, or specify a valid scope. Permissible scopes include current resource group: resourceGroup(), named resource group in same subscription: resourceGroup(<name>), named resource group in a different subscription: resourceGroup(<subId>, <name>), current subscription: subscription(), named subscription: subscription(<subId>) or tenant: tenant().
BCP117	Error	An empty indexer isn't allowed. Specify a valid expression.
BCP118	Error	Expected the "{" character, the "[" character, or the "if" keyword at this location.
BCP119	Warning	Unsupported scope for extension resource deployment. Expected a resource reference.
BCP120	Error	This expression is being used in an assignment to the "{propertyName}" property of the "{objectTypeName}" type, which requires a value that can be calculated at the start of the deployment.
BCP121	Error	Resources: {ToQuotedString(resourceNames)} are defined with this same name in a file. Rename them or split into different modules.
BCP122	Error	Modules: {ToQuotedString(moduleNames)} are defined with this same name and this same scope in a file. Rename them or split into different modules.
BCP123	Error	Expected a namespace or decorator name at this location.
BCP124	Error	The decorator <decorator-name> can only be attached to targets of type <data-type>, but the target has type <data-type>.
BCP125	Error	Function <function-name> can't be used as a parameter decorator.
BCP126	Error	Function <function-name> can't be used as a variable decorator.
BCP127	Error	Function <function-name> can't be used as a resource decorator.
BCP128	Error	Function <function-name> can't be used as a module decorator.
BCP129	Error	Function <function-name> can't be used as an output decorator.
BCP130	Error	Decorators aren't allowed here.
BCP132	Error	Expected a declaration after the decorator.
BCP133	Error	The unicode escape sequence isn't valid. Valid unicode escape sequences range from \u{0} to \u{10FFFF}.
BCP134	Warning	Scope {ToQuotedString(LanguageConstants.GetResourceScopeDescriptions(suppliedScope))} isn't valid for this module. Permitted scopes: {ToQuotedString(LanguageConstants.GetResourceScopeDescriptions(supportedScopes))}.
BCP135	Warning	Scope {ToQuotedString(LanguageConstants.GetResourceScopeDescriptions(suppliedScope))} isn't valid for this resource type. Permitted scopes: {ToQuotedString(LanguageConstants.GetResourceScopeDescriptions(supportedScopes))}.
BCP136	Error	Expected a loop item variable identifier at this location.
BCP137	Error	Loop expected an expression of type "{LanguageConstants.Array}" but the provided value is of type "{actualType}".
BCP138	Error	For-expressions aren't supported in this context. For-expressions may be used as values of resource, module, variable, and output declarations, or values of resource and module properties.
BCP139	Error	A resource's scope must match the scope of the Bicep file for it to be deployable. You must use modules to deploy resources to a different scope.
BCP140	Error	The multi-line string at this location isn't terminated. Terminate it with "'''.
BCP141	Error	The expression can't be used as a decorator as it isn't callable.
BCP142	Error	Property value for-expressions can't be nested.
BCP143	Error	For-expressions can't be used with properties whose names are also expressions.
BCP144	Error	Directly referencing a resource or module collection isn't currently supported here. Apply an array indexer to the expression.
BCP145	Error	Output "{identifier}" is declared multiple times. Remove or rename the duplicates.
BCP147	Error	Expected a parameter declaration after the decorator.
BCP148	Error	Expected a variable declaration after the decorator.
BCP149	Error	Expected a resource declaration after the decorator.
BCP150	Error	Expected a module declaration after the decorator.
BCP151	Error	Expected an output declaration after the decorator.
BCP152	Error	Function <function-name> can't be used as a decorator.
BCP153	Error	Expected a resource or module declaration after the decorator.
BCP154	Error	Expected a batch size of at least {limit} but the specified value was "{value}".
BCP155	Error	The decorator <decorator-name> can only be attached to resource or module collections.
BCP156	Error	The resource type segment "{typeSegment}" is invalid. Nested resources must specify a single type segment, and optionally can specify an API version using the format "<type>@<apiVersion>".
BCP157	Error	The resource type can't be determined due to an error in the containing resource.
BCP158	Error	Can't access nested resources of type "{wrongType}". A resource type is required.
BCP159	Error	The resource "{resourceName}" doesn't contain a nested resource named "{identifierName}". Known nested resources are: {ToQuotedString(nestedResourceNames)}.
BCP160	Error	A nested resource can't appear inside of a resource with a for-expression.
BCP162	Error	Expected a loop item variable identifier or "(" at this location.
BCP164	Error	A child resource's scope is computed based on the scope of its ancestor resource. This means that using the "scope" property on a child resource is unsupported.
BCP165	Error	A resource's computed scope must match that of the Bicep file for it to be deployable. This resource's scope is computed from the "scope" property value assigned to ancestor resource "{ancestorIdentifier}". You must use modules to deploy resources to a different scope.
BCP166	Error	Duplicate <decorator-name> decorator.
BCP167	Error	Expected the "{" character or the "if" keyword at this location.
BCP168	Error	Length must not be a negative value.
BCP169	Error	Expected resource name to contain {expectedSlashCount} "/" character(s). The number of name segments must match the number of segments in the resource type.
BCP170	Error	Expected resource name to not contain any "/" characters. Child resources with a parent resource reference (via the parent property or via nesting) must not contain a fully qualified name.
BCP171	Error	Resource type "{resourceType}" isn't a valid child resource of parent "{parentResourceType}".
BCP172	Error	The resource type can't be validated due to an error in parent resource "{resourceName}".
BCP173	Error	The property "{property}" can't be used in an existing resource declaration.
BCP174	Warning	Type validation isn't available for resource types declared containing a "/providers/" segment. Instead use the "scope" property.
BCP176	Error	Values of the "any" type aren't allowed here.
BCP177	Error	This expression is being used in the if-condition expression, which requires a value that can be calculated at the start of the deployment.{variableDependencyChainClause}{accessiblePropertiesClause}
BCP178	Error	This expression is being used in the for-expression, which requires a value that can be calculated at the start of the deployment.{variableDependencyChainClause}{accessiblePropertiesClause}
BCP179	Warning	Unique resource or deployment name is required when looping. The loop item variable "{itemVariableName}" or the index variable "{indexVariableName}" must be referenced in at least one of the value expressions of the following properties in the loop body: {ToQuotedString(expectedVariantProperties)}
BCP180	Error	Function <function-name> isn't valid at this location. It can only be used when directly assigning to a module parameter with a secure decorator.
BCP181	Error	This expression is being used in an argument of the function <function-name>, which requires a value that can be calculated at the start of the deployment.{variableDependencyChainClause}{accessiblePropertiesClause}
BCP182	Error	This expression is being used in the for-body of the variable "{variableName}", which requires values that can be calculated at the start of the deployment.{variableDependencyChainClause}{violatingPropertyNameClause}{accessiblePropertiesClause}
BCP183	Error	The value of the module "params" property must be an object literal.
BCP184	Error	File '{filePath}' exceeded maximum size of {maxSize} {unit}.
BCP185	Warning	Encoding mismatch. File was loaded with '{detectedEncoding}' encoding.
BCP186	Error	Unable to parse literal JSON value. Ensure that it's well-formed.
BCP187	Warning	The property "{property}" doesn't exist in the resource or type definition, although it might still be valid.{TypeInaccuracyClause}
BCP188	Error	The referenced ARM template has errors. See https://aka.ms/arm-template for information on how to diagnose and fix the template.
BCP189	Error	(allowedSchemes.Contains(ArtifactReferenceSchemes.Local, StringComparer.Ordinal), allowedSchemes.Any(scheme => !string.Equals(scheme, ArtifactReferenceSchemes.Local, StringComparison.Ordinal))) switch { (false, false) => "Module references aren't supported in this context.", (false, true) => $"The specified module reference scheme "{badScheme}" isn't recognized. Specify a module reference using one of the following schemes: {FormatSchemes()}", (true, false) => $"The specified module reference scheme "{badScheme}" isn't recognized. Specify a path to a local module file.", (true, true) => $"The specified module reference scheme "{badScheme}" isn't recognized. Specify a path to a local module file or a module reference using one of the following schemes: {FormatSchemes()}"}
BCP190	Error	The artifact with reference "{artifactRef}" hasn't been restored.
BCP191	Error	Unable to restore the artifact with reference "{artifactRef}".
BCP192	Error	Unable to restore the artifact with reference <reference>: <error-message>.
BCP193	Error	{BuildInvalidOciArtifactReferenceClause(aliasName, badRef)} Specify a reference in the format of "{ArtifactReferenceSchemes.Oci}:<artifact-uri>:<tag>", or "{ArtifactReferenceSchemes.Oci}/<module-alias>:<module-name-or-path>:<tag>".
BCP194	Error	{BuildInvalidTemplateSpecReferenceClause(aliasName, badRef)} Specify a reference in the format of "{ArtifactReferenceSchemes.TemplateSpecs}:<subscription-ID>/<resource-group-name>/<template-spec-name>:<version>", or "{ArtifactReferenceSchemes.TemplateSpecs}/<module-alias>:<template-spec-name>:<version>".
BCP195	Error	{BuildInvalidOciArtifactReferenceClause(aliasName, badRef)} The artifact path segment "{badSegment}" isn't valid. Each artifact name path segment must be a lowercase alphanumeric string optionally separated by a ".", "_", or "-"."
BCP196	Error	The module tag or digest is missing.
BCP197	Error	The tag "{badTag}" exceeds the maximum length of {maxLength} characters.
BCP198	Error	The tag "{badTag}" isn't valid. Valid characters are alphanumeric, ".", "", or "-" but the tag can't begin with ".", "", or "-".
BCP199	Error	Module path "{badRepository}" exceeds the maximum length of {maxLength} characters.
BCP200	Error	The registry "{badRegistry}" exceeds the maximum length of {maxLength} characters.
BCP201	Error	Expected a provider specification string of with a valid format at this location. Valid formats are "br:<providerRegistryHost>/<providerRepositoryPath>@<providerVersion>" or "br/<providerAlias>:<providerName>@<providerVersion>".
BCP202	Error	Expected a provider alias name at this location.
BCP203	Error	Using provider statements requires enabling EXPERIMENTAL feature "Extensibility".
BCP204	Error	Provider namespace "{identifier}" isn't recognized.
BCP205	Error	Provider namespace "{identifier}" doesn't support configuration.
BCP206	Error	Provider namespace "{identifier}" requires configuration, but none was provided.
BCP207	Error	Namespace "{identifier}" is declared multiple times. Remove the duplicates.
BCP208	Error	The specified namespace "{badNamespace}" isn't recognized. Specify a resource reference using one of the following namespaces: {ToQuotedString(allowedNamespaces)}.
BCP209	Error	Failed to find resource type "{resourceType}" in namespace "{@namespace}".
BCP210	Error	Resource type belonging to namespace "{childNamespace}" can't have a parent resource type belonging to different namespace "{parentNamespace}".
BCP211	Error	The module alias name "{aliasName}" is invalid. Valid characters are alphanumeric, "_", or "-".
BCP212	Error	The Template Spec module alias name "{aliasName}" doesn't exist in the {BuildBicepConfigurationClause(configFileUri)}.
BCP213	Error	The OCI artifact module alias name "{aliasName}" doesn't exist in the {BuildBicepConfigurationClause(configFileUri)}.
BCP214	Error	The Template Spec module alias "{aliasName}" in the {BuildBicepConfigurationClause(configFileUri)} is invalid. The "subscription" property can't be null or undefined.
BCP215	Error	The Template Spec module alias "{aliasName}" in the {BuildBicepConfigurationClause(configFileUri)} is invalid. The "resourceGroup" property can't be null or undefined.
BCP216	Error	The OCI artifact module alias "{aliasName}" in the {BuildBicepConfigurationClause(configFileUri)} is invalid. The "registry" property can't be null or undefined.
BCP217	Error	{BuildInvalidTemplateSpecReferenceClause(aliasName, referenceValue)} The subscription ID "{subscriptionId}" isn't a GUID.
BCP218	Error	{BuildInvalidTemplateSpecReferenceClause(aliasName, referenceValue)} The resource group name "{resourceGroupName}" exceeds the maximum length of {maximumLength} characters.
BCP219	Error	{BuildInvalidTemplateSpecReferenceClause(aliasName, referenceValue)} The resource group name "{resourceGroupName}" is invalid. Valid characters are alphanumeric, unicode characters, ".", "_", "-", "(", or ")", but the resource group name can't end with ".".
BCP220	Error	{BuildInvalidTemplateSpecReferenceClause(aliasName, referenceValue)} The Template Spec name "{templateSpecName}" exceeds the maximum length of {maximumLength} characters.
BCP221	Error	{BuildInvalidTemplateSpecReferenceClause(aliasName, referenceValue)} The Template Spec name "{templateSpecName}" is invalid. Valid characters are alphanumeric, ".", "_", "-", "(", or ")", but the Template Spec name can't end with ".".
BCP222	Error	{BuildInvalidTemplateSpecReferenceClause(aliasName, referenceValue)} The Template Spec version "{templateSpecVersion}" exceeds the maximum length of {maximumLength} characters.
BCP223	Error	{BuildInvalidTemplateSpecReferenceClause(aliasName, referenceValue)} The Template Spec version "{templateSpecVersion}" is invalid. Valid characters are alphanumeric, ".", "_", "-", "(", or ")", but the Template Spec version can't end with ".".
BCP224	Error	{BuildInvalidOciArtifactReferenceClause(aliasName, badRef)} The digest "{badDigest}" isn't valid. The valid format is a string "sha256:" followed by exactly 64 lowercase hexadecimal digits.
BCP225	Warning	The discriminator property "{propertyName}" value can't be determined at compilation time. Type checking for this object is disabled.
BCP226	Error	Expected at least one diagnostic code at this location. Valid format is "#disable-next-line diagnosticCode1 diagnosticCode2 ...".
BCP227	Error	The type "{resourceType}" can't be used as a parameter or output type. Extensibility types are currently not supported as parameters or outputs.
BCP229	Error	The parameter "{parameterName}" can't be used as a resource scope or parent. Resources passed as parameters can't be used as a scope or parent of a resource.
BCP230	Warning	The referenced module uses resource type "{resourceTypeReference.FormatName()}" which doesn't have types available. Bicep is unable to validate resource properties prior to deployment, but this won't block the resource from being deployed.
BCP231	Error	Using resource-typed parameters and outputs requires enabling EXPERIMENTAL feature "{nameof(ExperimentalFeaturesEnabled.ResourceTypedParamsAndOutputs)}".
BCP232	Error	Unable to delete the module with reference "{moduleRef}" from cache.
BCP233	Error	Unable to delete the module with reference "{moduleRef}" from cache: {message}
BCP234	Warning	The ARM function "{armFunctionName}" failed when invoked on the value [{literalValue}]: {message}
BCP235	Error	Specified JSONPath doesn't exist in the given file or is invalid.
BCP236	Error	Expected a new line or comma character at this location.
BCP237	Error	Expected a comma character at this location.
BCP238	Error	Unexpected new line character after a comma.
BCP239	Error	Identifier "{name}" is a reserved Bicep symbol name and can't be used in this context.
BCP240	Error	The "parent" property only permits direct references to resources. Expressions aren't supported.
BCP241	Warning	The <function-name> function is deprecated and will be removed in a future release of Bicep. Add a comment to https://github.com/Azure/bicep/issues/2017 if you believe this will impact your workflow.
BCP242	Error	Lambda functions may only be specified directly as function arguments.
BCP243	Error	Parentheses must contain exactly one expression.
BCP244	Error	{minArgCount == maxArgCount ? $"Expected lambda expression of type "{lambdaType}" with {minArgCount} arguments but received {actualArgCount} arguments." : $"Expected lambda expression of type "{lambdaType}" with between {minArgCount} and {maxArgCount} arguments but received {actualArgCount} arguments."}
BCP245	Warning	Resource type "{resourceTypeReference.FormatName()}" can only be used with the 'existing' keyword.
BCP246	Warning	Resource type "{resourceTypeReference.FormatName()}" can only be used with the 'existing' keyword at the requested scope. Permitted scopes for deployment: {ToQuotedString(LanguageConstants.GetResourceScopeDescriptions(writableScopes))}.
BCP247	Error	Using lambda variables inside resource or module array access isn't currently supported. Found the following lambda variable(s) being accessed: {ToQuotedString(variableNames)}.
BCP248	Error	Using lambda variables inside the <function-name> function isn't currently supported. Found the following lambda variable(s) being accessed: {ToQuotedString(variableNames)}.
BCP249	Error	Expected loop variable block to consist of exactly 2 elements (item variable and index variable), but found {actualCount}.
BCP250	Error	Parameter "{identifier}" is assigned multiple times. Remove or rename the duplicates.
BCP256	Error	The using declaration is missing a Bicep template file path reference.
BCP257	Error	Expected a Bicep file path string. This should be a relative path to another Bicep file, e.g. 'myModule.bicep' or '../parent/myModule.bicep'
BCP258	Warning	The following parameters are declared in the Bicep file but are missing an assignment in the params file: {ToQuotedString(identifiers)}.
BCP259	Error	The parameter "{identifier}" is assigned in the params file without being declared in the Bicep file.
BCP260	Error	The parameter "{identifier}" expects a value of type "{expectedType}" but the provided value is of type "{actualType}".
BCP261	Error	A using declaration must be present in this parameters file.
BCP262	Error	More than one using declaration is present.
BCP263	Error	The file specified in the using declaration path doesn't exist.
BCP264	Error	Resource type "{resourceTypeName}" is declared in multiple imported namespaces ({ToQuotedStringWithCaseInsensitiveOrdering(namespaces)}), and must be fully qualified.
BCP265	Error	The name "{name}" isn't a function. Did you mean "{knownFunctionNamespace}.{knownFunctionName}"?
BCP266	Error	Expected a metadata identifier at this location.
BCP267	Error	Expected a metadata declaration after the decorator.
BCP268	Error	Invalid identifier: "{name}". Metadata identifiers starting with '_' are reserved. Use a different identifier.
BCP269	Error	Function <function-name> can't be used as a metadata decorator.
BCP271	Error	Failed to parse the contents of the Bicep configuration file "{configurationPath}" as valid JSON: {parsingErrorMessage.TrimEnd('.')}.
BCP272	Error	Couldn't load the Bicep configuration file "{configurationPath}": {loadErrorMessage.TrimEnd('.')}.
BCP273	Error	Failed to parse the contents of the Bicep configuration file "{configurationPath}" as valid JSON: {parsingErrorMessage.TrimEnd('.')}.
BCP274	Warning	Error scanning "{directoryPath}" for Bicep configuration: {scanErrorMessage.TrimEnd('.')}.
BCP275	Error	Unable to open file at path "{directoryPath}". Found a directory instead.
BCP276	Error	A using declaration can only reference a Bicep file.
BCP277	Error	A module declaration can only reference a Bicep file, an ARM template, a registry reference, or a template spec reference.
BCP278	Error	This parameters file references itself, which isn't allowed.
BCP279	Error	Expected a type at this location. Specify a valid type expression or one of the following types: {ToQuotedString(LanguageConstants.DeclarationTypes.Keys)}.
BCP285	Error	The type expression couldn't be reduced to a literal value.
BCP286	Error	This union member is invalid because it can't be assigned to the '{keystoneType}' type.
BCP287	Error	'{symbolName}' refers to a value but is being used as a type here.
BCP288	Error	<name> refers to a type but is being used as a value here.
BCP289	Error	The type definition isn't valid.
BCP290	Error	Expected a parameter or type declaration after the decorator.
BCP291	Error	Expected a parameter or output declaration after the decorator.
BCP292	Error	Expected a parameter, output, or type declaration after the decorator.
BCP293	Error	All members of a union type declaration must be literal values.
BCP294	Error	Type unions must be reducible to a single ARM type (such as 'string', 'int', or 'bool').
BCP295	Error	The '{decoratorName}' decorator may not be used on targets of a union or literal type. The allowed values for this parameter or type definition will be derived from the union or literal type automatically.
BCP296	Error	Property names on types must be compile-time constant values.
BCP297	Error	Function <function-name> can't be used as a type decorator.
BCP298	Error	This type definition includes itself as a required component, which creates a constraint that can't be fulfilled.
BCP299	Error	This type definition includes itself as a required component via a cycle ("{string.Join("" -> "", cycle)}").
BCP300	Error	Expected a type literal at this location. Specify a concrete value or a reference to a literal type.
BCP301	Error	The type name "{reservedName}" is reserved and may not be attached to a user-defined type.
BCP302	Error	The name <type-name> isn't a valid type. Specify one of the following types: <type-names>.
BCP303	Error	String interpolation is unsupported for specifying the provider.
BCP304	Error	Invalid provider specifier string. Specify a valid provider of format "<providerName>@<providerVersion>".
BCP305	Error	Expected the "with" keyword, "as" keyword, or a new line character at this location.
BCP306	Error	The name "{name}" refers to a namespace, not to a type.
BCP307	Error	The expression can't be evaluated, because the identifier properties of the referenced existing resource including {ToQuotedString(runtimePropertyNames.OrderBy(x => x))} can't be calculated at the start of the deployment. In this situation, {accessiblePropertyNamesClause}{accessibleFunctionNamesClause}.
BCP308	Error	The decorator <decorator-name> may not be used on statements whose declared type is a reference to a user-defined type.
BCP309	Error	Values of type "{flattenInputType.Name}" can't be flattened because "{incompatibleType.Name}" isn't an array type.
BCP311	Error	The provided index value of <index-value> isn't valid for type <type-name>. Indexes for this type must be between 0 and <zero-based-tuple-index>.
BCP315	Error	An object type may have at most one additional properties declaration.
BCP316	Error	The "{LanguageConstants.ParameterSealedPropertyName}" decorator may not be used on object types with an explicit additional properties type declaration.
BCP317	Error	Expected an identifier, a string, or an asterisk at this location.
BCP318	Warning	The value of type "{possiblyNullType}" may be null at the start of the deployment, which would cause this access expression (and the overall deployment with it) to fail. If you don't know whether the value will be null and the template would handle a null value for the overall expression, use a .? (safe dereference) operator to short-circuit the access expression if the base expression's value is null: {accessExpression.AsSafeAccess().ToString()}. If you know the value won't be null, use a non-null assertion operator to inform the compiler that the value won't be null: {SyntaxFactory.AsNonNullable(expression).ToString()}.
BCP319	Error	The type at "{errorSource}" couldn't be resolved by the ARM JSON template engine. Original error message: "{message}"
BCP320	Error	The properties of module output resources can't be accessed directly. To use the properties of this resource, pass it as a resource-typed parameter to another module and access the parameter's properties therein.
BCP321	Warning	Expected a value of type "{expectedType}" but the provided value is of type "{actualType}". If you know the value won't be null, use a non-null assertion operator to inform the compiler that the value won't be null: {SyntaxFactory.AsNonNullable(expression).ToString()}.
BCP322	Error	The .? (safe dereference) operator may not be used on instance function invocations.
BCP323	Error	The [?] (safe dereference) operator may not be used on resource or module collections.
BCP325	Error	Expected a type identifier at this location.
BCP326	Error	Nullable-typed parameters may not be assigned default values. They have an implicit default of 'null' that can't be overridden.
BCP327	Error/Warning	The provided value (which will always be greater than or equal to <value>) is too large to assign to a target for which the maximum allowable value is <max-value>.
BCP328	Error/Warning	The provided value (which will always be less than or equal to <value>) is too small to assign to a target for which the minimum allowable value is <max-value>.
BCP329	Warning	The provided value can be as small as {sourceMin} and may be too small to assign to a target with a configured minimum of {targetMin}.
BCP330	Warning	The provided value can be as large as {sourceMax} and may be too large to assign to a target with a configured maximum of {targetMax}.
BCP331	Error	A type's "{minDecoratorName}" must be less than or equal to its "{maxDecoratorName}", but a minimum of {minValue} and a maximum of {maxValue} were specified.
BCP332	Error/Warning	The provided value (whose length will always be greater than or equal to <string-length>) is too long to assign to a target for which the maximum allowable length is <max-length>.
BCP333	Error/Warning	The provided value (whose length will always be less than or equal to <string-length>) is too short to assign to a target for which the minimum allowable length is <min-length>.
BCP334	Warning	The provided value can have a length as small as {sourceMinLength} and may be too short to assign to a target with a configured minimum length of {targetMinLength}.
BCP335	Warning	The provided value can have a length as large as {sourceMaxLength} and may be too long to assign to a target with a configured maximum length of {targetMaxLength}.
BCP337	Error	This declaration type isn't valid for a Bicep Parameters file. Specify a "{LanguageConstants.UsingKeyword}", "{LanguageConstants.ParameterKeyword}" or "{LanguageConstants.VariableKeyword}" declaration.
BCP338	Error	Failed to evaluate parameter <parameter-name>: <error-message>`
BCP339	Error	The provided array index value of "{indexSought}" isn't valid. Array index should be greater than or equal to 0.
BCP340	Error	Unable to parse literal YAML value. Ensure that it's well-formed.
BCP341	Error	This expression is being used inside a function declaration, which requires a value that can be calculated at the start of the deployment. {variableDependencyChainClause}{accessiblePropertiesClause}
BCP342	Error	User-defined types aren't supported in user-defined function parameters or outputs.
BCP344	Error	Expected an assert identifier at this location.
BCP345	Error	A test declaration can only reference a Bicep File
BCP346	Error	Expected a test identifier at this location.
BCP347	Error	Expected a test path string at this location.
BCP348	Error	Using a test declaration statement requires enabling EXPERIMENTAL feature "{nameof(ExperimentalFeaturesEnabled.TestFramework)}".
BCP349	Error	Using an assert declaration requires enabling EXPERIMENTAL feature "{nameof(ExperimentalFeaturesEnabled.Assertions)}".
BCP350	Error	Value of type "{valueType}" can't be assigned to an assert. Asserts can take values of type 'bool' only.
BCP351	Error	Function <function-name> isn't valid at this location. It can only be used when directly assigning to a parameter.
BCP352	Error	Failed to evaluate variable "{name}": {message}
BCP353	Error	The {itemTypePluralName} {ToQuotedString(itemNames)} differ only in casing. The ARM deployments engine isn't case sensitive and won't be able to distinguish between them.
BCP354	Error	Expected left brace ('{') or asterisk ('*') character at this location.
BCP355	Error	Expected the name of an exported symbol at this location.
BCP356	Error	Expected a valid namespace identifier at this location.
BCP358	Error	This declaration is missing a template file path reference.
BCP360	Error	The '{symbolName}' symbol wasn't found in (or wasn't exported by) the imported template.
BCP361	Error	The "@export()" decorator must target a top-level statement.
BCP362	Error	This symbol is imported multiple times under the names {string.Join(", ", importedAs.Select(identifier => $"'{identifier}'"))}.
BCP363	Error	The "{LanguageConstants.TypeDiscriminatorDecoratorName}" decorator can only be applied to object-only union types with unique member types.
BCP364	Error	The property "{discriminatorPropertyName}" must be a required string literal on all union member types.
BCP365	Error	The value "{discriminatorPropertyValue}" for discriminator property "{discriminatorPropertyName}" is duplicated across multiple union member types. The value must be unique across all union member types.
BCP366	Error	The discriminator property name must be "{acceptablePropertyName}" on all union member types.
BCP367	Error	The "{featureName}" feature is temporarily disabled.
BCP368	Error	The value of the "{targetName}" parameter can't be known until the template deployment has started because it uses a reference to a secret value in Azure Key Vault. Expressions that refer to the "{targetName}" parameter may be used in {LanguageConstants.LanguageFileExtension} files but not in {LanguageConstants.ParamsFileExtension} files.
BCP369	Error	The value of the "{targetName}" parameter can't be known until the template deployment has started because it uses the default value defined in the template. Expressions that refer to the "{targetName}" parameter may be used in {LanguageConstants.LanguageFileExtension} files but not in {LanguageConstants.ParamsFileExtension} files.
BCP372	Error	The "@export()" decorator may not be applied to variables that refer to parameters, modules, or resource, either directly or indirectly. The target of this decorator contains direct or transitive references to the following unexportable symbols: {ToQuotedString(nonExportableSymbols)}.
BCP373	Error	Unable to import the symbol named "{name}": {message}
BCP374	Error	The imported model can't be loaded with a wildcard because it contains the following duplicated exports: {ToQuotedString(ambiguousExportNames)}.
BCP375	Error	An import list item that identifies its target with a quoted string must include an 'as <alias>' clause.
BCP376	Error	The "{name}" symbol can't be imported because imports of kind {exportMetadataKind} aren't supported in files of kind {sourceFileKind}.
BCP377	Error	The provider alias name "{aliasName}" is invalid. Valid characters are alphanumeric, "_", or "-".
BCP378	Error	The OCI artifact provider alias "{aliasName}" in the {BuildBicepConfigurationClause(configFileUri)} is invalid. The "registry" property can't be null or undefined.
BCP379	Error	The OCI artifact provider alias name "{aliasName}" doesn't exist in the {BuildBicepConfigurationClause(configFileUri)}.
BCP380	Error	Artifacts of type: "{artifactType}" aren't supported.
BCP381	Warning	Declaring provider namespaces with the "import" keyword has been deprecated. Use the "provider" keyword instead.
BCP383	Error	The "{typeName}" type isn't parameterizable.
BCP384	Error	The "{typeName}" type requires {requiredArgumentCount} argument(s).
BCP385	Error	Using resource-derived types requires enabling EXPERIMENTAL feature "{nameof(ExperimentalFeaturesEnabled.ResourceDerivedTypes)}".
BCP386	Error	The decorator <decorator-name> may not be used on statements whose declared type is a reference to a resource-derived type.
BCP387	Error	Indexing into a type requires an integer greater than or equal to 0.
BCP388	Error	Can't access elements of type "{wrongType}" by index. A tuple type is required.
BCP389	Error	The type "{wrongType}" doesn't declare an additional properties type.
BCP390	Error	The array item type access operator ('[*]') can only be used with typed arrays.
BCP391	Error	Type member access is only supported on a reference to a named type.
BCP392	Warning	The supplied resource type identifier "{resourceTypeIdentifier}" wasn't recognized as a valid resource type name.
BCP393	Warning	The type pointer segment "{unrecognizedSegment}" wasn't recognized. Supported pointer segments are: "properties", "items", "prefixItems", and "additionalProperties".
BCP394	Error	Resource-derived type expressions must dereference a property within the resource body. Using the entire resource body type isn't permitted.
BCP395	Error	Declaring provider namespaces using the '<providerName>@<version>' expression has been deprecated. Use an identifier instead.
BCP396	Error	The referenced provider types artifact has been published with malformed content.
BCP397	Error	Provider {name} is incorrectly configured in the {BuildBicepConfigurationClause(configFileUri)}. It's referenced in the "{RootConfiguration.ImplicitProvidersConfigurationKey}" section, but is missing corresponding configuration in the "{RootConfiguration.ProvidersConfigurationKey}" section.
BCP398	Error	Provider {name} is incorrectly configured in the {BuildBicepConfigurationClause(configFileUri)}. It's configured as built-in in the "{RootConfiguration.ProvidersConfigurationKey}" section, but no built-in provider exists.
BCP399	Error	Fetching az types from the registry requires enabling EXPERIMENTAL feature "{nameof(ExperimentalFeaturesEnabled.DynamicTypeLoading)}".
BCP400	Error	Fetching types from the registry requires enabling EXPERIMENTAL feature "{nameof(ExperimentalFeaturesEnabled.ProviderRegistry)}".
BCP401	Error	The spread operator "..." isn't permitted in this location.
BCP402	Error	The spread operator "{spread.Ellipsis.Text}" can only be used in this context for an expression assignable to type "{requiredType}".
BCP403	Error/Warning	The enclosing array expects elements of type "{expectedType}", but the array being spread contains elements of incompatible type "{actualType}".
BCP404	Error	The "{LanguageConstants.ExtendsKeyword}" declaration is missing a bicepparam file path reference.
BCP405	Error	More than one "{LanguageConstants.ExtendsKeyword}" declaration are present.
BCP406	Error	The "{LanguageConstants.ExtendsKeyword}" keyword isn't supported.

Next steps

To learn about Bicep, see Bicep overview.