game crashes while ticking memory

Today i encountered this bug:

[17:41:67] [Server thread/ERROR]: Encountered an unexpected exception
: Ticking memory connection
/home/philip/.minecraft/crash-reports/crash-2022-05-05_17.41.34-server.txt
---- Minecraft Crash Report ----
// There are four lights!

Time: 5/5/22, 5:41 PM
Description: Ticking memory connection

pls help