BUG : When the user chooses the "Start screen" feature and turns the screen rotation into landscape the feature suddenly breaks down and returns to the main page of the application.

Expected behavior

When users select the "Start screen" feature and change the screen rotation to landscape, should this feature should not be damaged and this feature works properly.

Actual behavior

When users select the "Start screen" feature and change the screen rotation to landscape suddenly this feature is broken and returned to the main page of the application.

How to reproduce

• Download his app on f-droid.
• run the app.
• go to settings and select "Start screen" feature.
• Change the screen rotation to landscape.
• suddenly this feature is broken and returned to the main page.
• Browser: web opac version 5.3.1
• Operating system: xiomi redmi 4A android Android version: 6.0.1

Recording of the Bug