When i installed, all lenguagues in game go out, so everything is now []. I go to lenguage and there is nothing. I used other mods so i dont know if it's compability cause i take out the mod and everything is good

Here is me again. I update title after various things i can say, yungs caves is the problem.
I reinstalled everything on minecraft, take out mods, and i found out the real problem, the [] bug happen after 185 mods, the mods are no problem. Yungs caves crash only when you have more of 185mods

It sounds like your modded instance might have gotten corrupted somehow, or another mod is causing the issue. I recommend trying to create a new instance. If you post your latest.log I can take a look and see if there are any relevant error messages being printed.