worless charger not compatible error after 3.1 update

[Sukh]

Using a genuine Samsung wireless charger and the fast charging worked before but after update it says not compatible on note 20 ultra 

[billym91]

the last 2 updates are nothing but trouble

[Sevani]

hi sukh how are you?

[ghosty]

which model charger is giving you this problem? I know the wireless charging pad (small disc one) was not far charging even in 3.0