Minecraft version

1.20.1

Simple Backups version

1.21-4.0.1

Forge version

21.0.30-beta

The latest.log file

https://paste.atlauncher.com/view/5144900d-03cb-4404-bd03-0b6d3175f1f8

Issue description

Crash on launching singleplayer world. First found in ~150 mod pack, reproduced in test instance with just Simple Backups.

Steps to reproduce

1. Add Simple Backups 4.0.1 to Neo 21.0.30-beta Instance
2. Create new singleplayer world

Other information

Apologies for abusing the template 😁