1. FromAnotherLibrary-forge-1.20.1-1.0.2.jar
2. from-another-world-1.2A.1-forge.jar

It happened during the fall. Maybe this will help you somehow. There was a huge FPS drawdown to 50,000. But how many times have I not played this for the first time. Maybe there is some kind of conflict of mods or he fell into some unfortunate place)