Cant join

[Shiplipt]

If i activate my self the vanish other peoiple cant join my server until i turn it off

[Flemmli97]

adding on to this cause there is no other info:
this only happens if the player joining is on a fabric client. vanilla clients can join no problem.
server log regarding this issue:
https://pastebin.com/dunivaGt

[Doc94]

Confirmed this in 1.17.1 not sure why when join a player and exists a vanished player the player cannot join whith the reason "Invalid player data".