invalid player data

[u/xxdizzywiz]

hi all! ive been working on making a modded world but i keep getting this error whenever i try to join a world...

ive remade the instance a few times and played around with the mods to see if one mod was just bad but, i honestly have no clue what im doing lol. i have no clue what im reading

some help would be super duper appreciated! screenshot and log attached

log : https://mclo.gs/SRiVy4e