I downloaded a couple of mods and this error popped up. Then I deleted them and the error remained. I looked at the logs and there was not a word about new mods. It also showed that everything was ok with the datapacks of the world. I ask you to help, I have the only world on my modpack in which the best progress in the entire history of my game in minecraft.
There a log:
https://drive.google.com/file/d/1Nknr63cjNSj7LSBmzkyerlylHgRkIqVF/view?usp=drive_link
Version: Forge 1.20.1
Mods: 378