idk why but everytime i try to tab a msg in chat it carshes me

this is what the logs say:

https://pastebin.com/PXHjH4Ls

i use the latest version of via version which should work with the protocol lib
and the right version of protocol lib cuz its a 1.8.9 server with viaversion. i dont know if this of any help for you. but can anyone help me please.

best regards

Skrnoob

ooh and this is one server thats connected to a bungecord