[MC-237378] login failed: null

hi I can't play on multiple servers because it shows me login failed: null. I did account migrations and my servers are not working and before migrating everything was ok

Linked issues

duplicates 1

MC-207896 Authentication issue while trying to play on servers with a Microsoft account Resolved

Comments 1

Avoma 2021-09-22T13:06:36Z

Duplicate of MC-207896, which was later resolved as invalid. The reason for this is because this issue is most likely caused by the use of illegal or incompatible software. In order to fix this problem, please see the Mojang Notice attached to the parent ticket.