I had this problem when I installed 21.2.3 on my MI10T and I solved it as follows: I entered the dual app and gave adjustment and from there, delete dual app accounts.
I'm sorry for my English.
Someone who has had a problem with the Paypal app, which cannot be configured. When I put my account and my password, after I am not a robot, it returns to the beginning and asks me again for the account
I am not root.
Here is Android 11 global version (fastboot), maybe you can solve your problem
https://bigota.d.miui.com/V12.1.1.0.RJIMIXM/monet_global_images_V12.1.1.0.RJIMIXM_20201126.0000.00_11.0_global_fdc58465e1.tgz
Note: If the file is downloaded with ext. (gz), change it to (tgz) so you can unzip it
The fingerprint reader does not work in the app (Banreservas, https://play.google.com/store/apps/details?id=c), but it does work in the global version
I am on the stable version 12.0.4.0 QFJCNXM
Here's how to apply fully working (on Aod, lock screen and home screen) new Miui 12 Earth and Mars live wallpapers
https://forum.xda-developers.com/mi-9t/themes/miui-12-super-wallpapers-t4096229