Android Studio Run/Debug configuration error: Module not specified

Question

I am getting a \'Module not specified\' error in my run config. I have no module showing in the drop down yet I can see my module no probs. The issue came about when I refac

Answer 1

None of the existing answers worked in my case (Android studio 3.5.0). I had to

1. close all android studio projects
2. remove the project from the recent projects in android studio wizard
3. restart android studio
4. use import option (Import project- Gradle, Eclipse ADT, etc) instead of open an existing project AS project
5. File -> Sync project with gradle files