there is a bug in electrum android that leads to errors like this:
https://github.com/spesmilo/electrum/issues/6774
Woow some reports from 2020. https://github.com/spesmilo/electrum/issues/6774
@Charles-Tim what is your Android/wallet version?
I read some comments in above link and some of them indicate that the problem is related to Android 10.
I tried it on Android 9 Wallet version 4.3.2 without problems.