fix: .NET 6 reference missed

[Doprez]

PR Details

Updated error message to not confuse new users.

Should probably make a central var or something to make this better since there are a few places where .NET X is hard coded.

Types of changes

• [x] Docs change / refactoring / dependency upgrade
• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• [ ] My change requires a change to the documentation.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.
• [x] I have built and run the editor to try this change out.

[Eideren]

Would using the current runtime's dotnet version instead of a hard-written one work in those cases ?

[Doprez]

Good call: