null member

[While941]

Description

1, somebody join my guild have no tips
2, member list have someone named 'null'

Expected Behavior

Actual Behavior

Possible Fix

Steps to Reproduce

1. let many player join the same guild

Context

Your Environment

• 3.5.6.8
• paper 1.19.2
• Plugin List

[HamtaBot]

is it an offline mode server ? cracked users are not supported in guilds