@MordorKing78 so cancel the playerinteractevent?
@ProStriker123 then you can simply put everyone who opened it in a list, and then check if they already opened the menu. eg. A method I created...
@ProStriker123 Its impossible to not allow players to open their inventories
@DaanSander where are you saving them to?
@RRL213 why add the else statement?
Separate names with a comma.