Android studio Error “Unsupported Modules Detected: Compilation is not supported for following modules”

Solution 1: 

File -> Invalidate Caches / Restart -> Invalidate Caches & Restart.

Solution 2:

1- close the project

2- close Android Studio IDE

3- delete the .idea directory

4- delete all .iml files

5- open Android Studio IDE and import the project

android studio: 9:57 Unsupported Modules Detected: Compilation is not supported for following modules: map, app, ota, MediaEditor, rcLcmSercive, DroneSDK, qrcodelibrary, rcService, speechService. Unfo