Crash when entering amount in USD

[lclc]

To reproduce:

1. Scan Qr code
2. Click USD to change to enter USD amount
3. Click any number -> app crashes. No error shown.

It doesn't crash when entering an amount in BTC.

System:
iOS Software Version: 14.4
iPhone X
Language: German

Other:
1 Confirmed TX, 1 Unconfirmed TX in the wallet