App stopped while trying to cancel edit info in screen rotation in android 7

Project Information

Repository:
https://github.com/SimpleMobileTools/Simple-Music-Player

Expected behavior

user should be able to edit song info in landscape mode and cancelling it he should able to stey in the app.

Actual behavior

After going to edit song info then rotate the screen and cancel the option it makes app stopped.

How to reproduce

•download the app

•open the app

•select a song to edit info then rotate the screen and click on cancel button and note the problem.

•Browser: walton

•Operating system: android 7.0

•Application version: 4.0.1

Recording Of The Bug

Proof of work done

https://github.com/robiuldewan