For Linux, the .NET version needs to be v3 or lower because anything higher does not install correctly. As you could guess the addon .NET version will be v3 and this will force the plugins to be v3 too.
The fix is simple:
Pics on how to do this:
The fix is simple:
- Go to project properties
- Change the Target Framework to: .NET Framework 3.0
Pics on how to do this: