NET core - Could not load file or assembly 'System.Runtime, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a ', .NET 6

user_6602117 0
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I have converted .NET Framework 3.5 TestAPP to .NET 6 TestAPP and worked well. i have an Automation project(C++ project) which was using .NET Framework 3.5 TestAPP.dll to run the tests, but right now i have replaced the .NET Framework 3.5 .dll with .NET 6 TestAPP i.e. TestAPP.dll when i ran the exe in command line , i have got an error as

"Unhandled Exception: System.IO.FileLoadException: Could not load file or assembly 'System.Runtime, Version=6.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies. The located assembly's manifest definition does not match the assembly reference. (Exception from HRESULT: 0x80131040)"

Please let me know if anything needs to be corrected.

.net-6.0 .net-core console-application .net c#
4 Answers

Resolved the error by changing the C++/CLI properties from visual studio project properties , which was referring to .NET framework earlier and i have changed the property as .NET core runtime(clr:netcore) and it is internally handled all GAC changes and worked well. Hope it might help someone . enter image description here

user_66021170

The running project returned this error. When I changed it to the way in the image, the error was solved.

Project>Properties

user_192740630

When upgrading an app to a later .NET version, edit your csproj file and make sure there is no <RuntimeFrameworkVersion> node in there that someone may have inserted manually. This will not be updated automatically when switching .NET versions

user_48082240

In my case the error was due to worng Default Project in Package Manager Console, if you are running EF migrations or something that is in a project that need to get info from the API make sure you are targetting the right project, also try clean + build first.

user_90521940
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