UnknownName_Null

It's an old problem, there's no way around it, we can only back up once a day.

😞

Network issuePlease open it multiple times and quickly toggle the network switch once.This may solve your problem.

That’s right,but Mojang is unlikely to make changes.

Open the marketplace, wait for the loading to complete, or restart the game.

Try updating to version 1.21.81, hope this resolves your issue.

Network issues, and there are also some problems with Mojang. The login has been unstable these days, please try a few more times.