Is this also an issue with owo-lib like #3? It has some similarities, but instead happens when a singleplayer world has finished loading. I didn't know which place to report this to so I decided to ask here. I can also go report it to owo-lib if the issue is theirs.

Here's the crashreport:
crash-2024-07-19_13.02.52-server.txt

As @enjarai said in #3.