NuGet Error NU1101

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NuGet Error NU1101

Mike 251

I am not a developer but I am hoping to test an application provided by Microsoft.

https://learn.microsoft.com/en-us/azure/active-directory-b2c/configure-authentication-sample-web-app?tabs=visual-studio

I have downloaded what is needed. After the modification of the JSON file and build it, visual studio returns an error I have not idea how to fix. These are the 2 errors.

Severity Code Description Project File Line Suppression State

Error NU1101 Unable to find package Microsoft.Identity.Web.UI. No packages exist with this id in source(s): Microsoft Visual Studio Offline Packages WebApp-OpenIDConnect-DotNet G:\Others\active-directory-aspnetcore-webapp-openidconnect-v2-master\active-directory-aspnetcore-webapp-openidconnect-v2-master\1-WebApp-OIDC\1-5-B2C\WebApp-OpenIDConnect-DotNet.csproj 1

Severity Code Description Project File Line Suppression State

Error NU1101 Unable to find package Microsoft.Identity.Web. No packages exist with this id in source(s): Microsoft Visual Studio Offline Packages WebApp-OpenIDConnect-DotNet G:\Others\active-directory-aspnetcore-webapp-openidconnect-v2-master\active-directory-aspnetcore-webapp-openidconnect-v2-master\1-WebApp-OIDC\1-5-B2C\WebApp-OpenIDConnect-DotNet.csproj 1

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Answer 1

Tianyu Sun-MSFT 34,436 Microsoft External Staff

Hello @Mike,

Welcome to Microsoft Q&A forum.

Probably, you need to add another valid package source for VS to find the specific packages.

Please click Tools > NuGet Package Manager > Package Manager Settings > Package Sources > check if nuget.org package source has been added. If it hasn’t been added, please click the “Add” button on top right corner > change the Name to nuget.org and the Source to https://api.nuget.org/v3/index.json > click Update > click OK, then rebuild your project.

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If it has been added, please try to remove other invalid package sources. If this issue persists, please share us the screenshot about the package sources for further check.

Sincerely,

Tianyu

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Mike 251

That seems to work but now it's a different issue

Severity	Code	Description	Project	File	Line	Suppression State
Error	MSB4018	The "GenerateStaticWebAsssetsPropsFile" task failed unexpectedly.
System.IO.DirectoryNotFoundException: Could not find a part of the path 'G:\Others\active-directory-aspnetcore-webapp-openidconnect-v2-master\active-directory-aspnetcore-webapp-openidconnect-v2-master\1-WebApp-OIDC\1-5-B2C\obj\Debug\net7.0\staticwebassets\msbuild.WebApp-OpenIDConnect-DotNet.Microsoft.AspNetCore.StaticWebAssets.props'.
   at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
   at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
   at System.IO.File.InternalWriteAllBytes(String path, Byte[] bytes, Boolean checkHost)
   at Microsoft.AspNetCore.Razor.Tasks.GenerateStaticWebAsssetsPropsFile.ExecuteCore()
   at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
   at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__26.MoveNext()	WebApp-OpenIDConnect-DotNet	C:\Program Files\dotnet\sdk\7.0.400\Sdks\Microsoft.NET.Sdk.Razor\targets\Microsoft.NET.Sdk.Razor.StaticWebAssets.Pack.targets	141

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Tianyu Sun-MSFT 34,436 Reputation points Microsoft External Staff

2023-08-10T03:33:43.9533333+00:00

Hi @Mike,

Thanks for your reply.

Looks like the path is too long. Please try to directly put the solution to the root directory for example G:\(instead of G:\Others) and then modify/build the project.
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