Hi,

like the title indicates, whe i create a new world, i can't join and get a "invalid player data".

i can't publish the full latest.log on gist, but here is the, i think, most important part of it : https://gist.github.com/Bass2style/3bd02ca402aebea1acfc028a53be1828

have a nice day.

edit : not sure it's usefull, but here is the modlist of the modpack : https://gist.github.com/Bass2style/1ecb46e2d26251ba8eb16401ad391e62

This is due to me missing a null check at

That was caused because there is a missing @Nullable annotation on the LootingLevelEvent as noted in MinecraftForge/MinecraftForge#7714
This should be quick fix, luckily.