Specifically the error occurs in the Resources.Designer.cs:
Error 2 The namespace \'ModulusFE\' already contains a definition for \'Sto
when you have tried everything else and still get the same trouble, there is a way out; however it will be tedious and need careful preparation.
Start another new project using existing files, or edit the project .csproj file if you are proficient in editing csproj (need backup). I will list steps for new project.