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I am currently facing an issue when trying to work on a solution in Visual Studio 2022.

I was able to work just fine on the solution and code on it before. But today, all of a sudden, when I tried opening it again, I get the error: "The value "" of the "Project" attribute in element is invalid." on ALL of the projects under my solution (there are about 30 projects).

I have done everything I found online but none of the proposed solutions worked for me.

  1. I tried to "Clean" the solution and rebuild it. It did not work

  2. I closed and reopened Visual Studio. It did not work.

  3. I tried reloading the projects. That did not work.

  4. I tried restoring the NugetPackages. That did not work.

  5. I tried the following command: dotnet restore MySolution.sln. It did not work either. This method failed and it kept giving me this error for all 30 projects in my solution:

    "warning NU1503: Skipping restore for project 'D:\myRepo\Project1.csproj'. The project file may be invalid or missing targets required for restore."

Any ideas or tips on what can I do now?

stuartd
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sv503sv
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  • [warning NU1503](https://learn.microsoft.com/en-us/nuget/reference/errors-and-warnings/nu1503). Could [this](https://stackoverflow.com/questions/47695504/error-nu1105-unable-to-find-project-information-the-project-file-may-be-invali) provide some help? – Jingmiao Xu-MSFT Apr 21 '22 at 03:09

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