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Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
SQL database in Microsoft Fabric
Details
| Attribute | Value |
|---|---|
| Product Name | SQL Server |
| Event ID | 10520 |
| Event Source | MSSQLSERVER |
| Component | SQLEngine |
| Symbolic Name | PG_PARAM_NOT_ALLOWED |
| Message Text | Cannot create plan guide '%.*ls' because @type was specified as '%ls' and a non-NULL value is specified for the parameter '%ls'. This type requires a NULL value for the parameter. Specify NULL for the parameter, or change the type to one that allows a non-NULL value for the parameter. |
Explanation
The type specified in @type requires a NULL value for the specified parameter, however a non-NULL value was supplied.
User Action
Specify NULL for the parameter, or change the type to one that allows a non-NULL value for the parameter.