Many of us have ran into issue “This project references NuGet package(s) that are missing on this computer”. There are many different reason as to why someone will get this error while you build the solution.
Error Details
This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is ..\packages\Microsoft.Net.Compilers.1.0.0\build\Microsoft.Net.Compilers.props
Looking at the error, it is triggered from somewhere in the code. Let’s go to the .csproj file and this can be found at the end of the file.
<Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
<PropertyGroup>
<ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
</PropertyGroup>
<Error Condition="!Exists('..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.1\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.1\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props'))" />
</Target>
A solution to “This project references NuGet package that are missing error”
The error is tied to the package Microsoft.CodeDom.Providers.DotNetCompilerPlatform. Follow the below three steps to solve the issue.
Step 1
Remove the package from package.config file.
<package id="Microsoft.CodeDom.Providers.DotNetCompilerPlatform" version="2.0.1" targetFramework="net46" />
Step 2
Edit the .csproj project file and removed the below settings
<Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
<PropertyGroup>
<ErrorText>This project references NuGet package(s) that are missing on this computer. Use NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=322105. The missing file is {0}.</ErrorText>
</PropertyGroup>
<Error Condition="!Exists('..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.1\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.2.0.1\build\net46\Microsoft.CodeDom.Providers.DotNetCompilerPlatform.props'))" />
</Target>
Step 3
Go to package manager console and run the command Update-Package –reinstall
Step # 2 and 3 were given by other users and I appreciate those users. Point # 1, removing the Microsoft.CodeDom.Providers.DotNetCompilerPlatform from package.config file is more important. Also, after running the command mentioned in step #3, the issue resolved. All unwanted packages removed and required package reference updated
Reference
There are other similar fixes which might work for few scenarios. Take a look at this post from StackOverflow
Also Read
How to upload a file in ASP.NET Web API
Conclusion
In this post, I showed how to resolve a common error “This project references NuGet package(s) that are missing on this computer”. That’s all from this post. If you have any questions or just want to chat with me, feel free to leave a comment below.