Updated to Android Studio 3.0. Getting a “Kotlin not configured” error

Question

I just updated to Android Studio 3.0 and I\'m getting this error with an existing project:

Kotlin not configured

When I go to

Answer 1

I have tried all above solutions but non of them works for me.

Then finally I got success with below solution, so it may helpful for some one like me.

1. Delele all .iml files (in root project, libraries and modules)
2. Rebuild project