Failed to connect to the server

[AhmadMoney]

Describe the bug Internal Exception: io.netty.handler.codec.decoderException: Failed to decode packet 'clientbound/minecraft:hello'

Steps to reproduce Not sure how

Log output

Did nit crash. Just won't log in. 

Exception in thread "Thread-7" java.lang.NullPointerException 
game.data.Class.method(Class.java:42)                              
game.data.OtherClass.method(OtherClass.java:48)           
...

Screenshots If applicable, add screenshots to help explain your problem.

Version

• Game: Minecraft 1.21
• Downloader: latest
• Launcher (if login issues): Newest Vanilla launcher

[sethborg]

Same thing for me when I connect to a 1.21 paper server