Help please I tried to delete one package from my project and after that all my packages got yellow triangle after that I closed the project project not unload when I tried to Reload it , it gives me this error .

Project Name : kudim.
Visual Studio : 2015.

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<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
    <EnableUnmanagedDebugging>false</EnableUnmanagedDebugging>
    <EnableSQLServerDebugging>false</EnableSQLServerDebugging>
  </PropertyGroup>
  <PropertyGroup>
    <PublishUrlHistory>publish\</PublishUrlHistory>
    <InstallUrlHistory />
    <SupportUrlHistory />
    <UpdateUrlHistory />
    <BootstrapperUrlHistory />
    <ErrorReportUrlHistory />
    <FallbackCulture>en-US</FallbackCulture>
    <VerifyUploadedFiles>false</VerifyUploadedFiles>
  </PropertyGroup>
</Project>

CodePudding user response：

Finally I found the problem solution.

Before Start applying the steps read them all first.

1. Create new project and make sure its run without any problems.
2. On project name right-click unload the project.
3. On project name right-click Edit .csproj .
4. Open your damaged project in another visual studio window .
5. Save a copy from your damaged project .csproj .
6. Repeat steps No 2,3.
7. Compare the xml code and you will see some different codes edit damaged and make it like the new project.
8. Reload the project.