Try other builds of it
https://www.curseforge.com/minecraft/mc-mods/oh-the-biomes-youll-go/files/all?page=1&pageSize=20&version=1.19.2&gameVersionTypeId=1
The following mods have version differences that were not resolved:
controlling (version 10.0+7 -> MISSING)
forge (version 43.3.2 -> 43.3.7)
libraryferret (version 4.0.0 -> MISSING)
tlskincape (version 1.30 -> MISSING)
Things may not work well.
Do not use the tlauncher - this is a cracked Launcher
These are not supported here
Error loading registry data: Spacing has to be larger than separation
Same issue - I have no idea what this refers to
Maybe it's a problem with Forge directly, or there's a broken config file or something similar
Yes - but from the server world, backup the playerdata folder
Copy the singleplayer world into the server and join it - if this works, overwrite the backup playerdata folder with the one in your server world