Describe the bug
Basically, when i try to join the server with protocollib, it kicks me for this error:
https://user-images.githubusercontent.com/78306220/106385428-8b848f80-63d0-11eb-9937-1d2f1b85fcae.jpeg

To Reproduce
Steps to reproduce the behavior:
Basically load it on a spigot 1.8.8 on a bungeecord server and then join a 1.8.8 subserver that has protocollib latest on it

Expected behavior
I want it to work without kicking me

Screenshots
https://user-images.githubusercontent.com/78306220/106385428-8b848f80-63d0-11eb-9937-1d2f1b85fcae.jpeg

Version Info
https://pastebin.com/r3FcXzfc

Additional context
Hope you can fix it <3.

One of your plugins (either Reflex or AdvancedGUI) is sending/modifying a bad packet