The application crashes when accessing the "Books data directory" feature and changing screen rotation. "

Project Information
Repository:

https://github.com/fekracomputers/IslamicLibraryAndroid

Expected behavior
Supposedly, when accessing the "Books data directory" feature and changing screen rotation, the app will not get any errors.

Actual behavior
When I go into the settings menu and click on the "Books data directory" feature, and after the "Books data directory" page appears, I change the screen rotation, and the application suddenly crashes.

How to reproduce
1.Install and Open the app
2.Next, go to settings menu
3.Then click on the "Books data directory" feature, and after the "Books data directory" page is displayed, please change the screen rotation to landscape mode, then you will see the application will crash.
Recording Of The Bug
https://m.youtube.com/watch?v=htH_7Bga5y4

Proof of Work Done
https://github.com/somrat420

https://github.com/fekracomputers/IslamicLibraryAndroid/issues/81