• This issue is not solved in a development build

Describe the bug
Players who try to join get met with an error

To Reproduce
Steps to reproduce the behavior:

1. Have protocollib 5.1.1-snapshot-668
2. have someone join
3. error code (see pastebin)
4. https://pastebin.com/zTn5tYvJ

Expected behavior
players being able to join

Screenshots
no screenshot needed. pastebin has everything

Version Info
https://pastebin.com/jjNndka0

Additional context

Hi, it looks like you are using an outdated Version of Citizens. Please update to their latest version and try again: https://ci.citizensnpcs.co/job/Citizens2/

updated to the latest supported citizens. Still having issues

https://pastebin.com/0TGFT7wi

Could you than please share the whole server log so we can see what other plugins might cause problems with ProtocolLib?