[FIXED] Plugin error: kotlin-idea.jar contains invalid plugin descriptor

Issue

One day I oppened android studio and this poped out as "plugin error":

Plugin error: File '~\AppData\Roaming\Google\AndroidStudio2021.2\plugins\Kotlin\lib\kotlin-idea.jar' contains invalid plugin descriptor

How to fix this?

Solution

Download the newest version of Kotlin from here

then replace the Kotlin file in this directory with the one you downloaded "C:\Users\YOURUSERNAME\AppData\Roaming\Google\AndroidStudio2021.2\plugins"

Answered By - Nesyou
Answer Checked By - Katrina (JavaFixing Volunteer)