Regarding NET framework, yes i have installed NET framework, Regarding the second proposal, when I export the project using Build Settings, the netcoreapp 3.1 libraries are exported fine. What could ...
FileNotFoundException: Could not load file or assembly 'System.Runtime.CompilerServices.Unsafe, Version=4.0.4.1, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' or one of its dependencies.