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

A common reason of the "Kotlin Not Configured" message is an internal Android Studio exception due to a bad plugin. In order to fix that you should disable the bad plugin.

When such plugin crash occurs, on the "Wellcome screen" you'll see a small notification (see illustration image) where you can click it and disable the bad plugin: