Updated to 0.4.3 the other day and trying to start a new project, not even use an existing project, and I get this error:
FAILURE: Build failed with a
You might need to add settings.gradle with subprojects.
The settings.gradle file should be placed at the root of the project and contain at least the following line:
include ':app'
Reference: https://georgik.rocks/missing-run-or-debug-action-in-android-studio/