Bug found while changing default country and disabling thumbnail

Expected behavior

To change the default country to Nigeria and disable thumbnail without error report

Actual behavior

Changed the default country to Nigeria and disabled the thumbnail and restarted the app for setting to apply but the app reported an error

How to reproduce

Download the app from F-Droid store, install and run, go to setting by clicking on the 3 dots on the top right hand side, then sellect setting then contents then select default content country and chose Nigeria then disable the thumbnail. Then restart the app for settings to apply.

• Browser: Newpipe version 0.13.2
• Operating system: android 5.1.1 lollipop. Infinix hot 3 LTE

Recording Of The Bug