Mod Name

Better Command Block UI 0.5.2a

Mod Homepage

https://modrinth.com/mod/bettercommandblockui

Minecraft version

1.21.1

Describe the bug

Crashes when you open any chat

Steps to reproduce

1.Open any chat by pressing "/", "T", in command block or anywhere else
2.Get crash

Logs

https://gist.github.com/DmitryDelinquent/28a1fd7326ff1e6fcc570b9a3815cb1c

Additional context

Worked perfectly on 1.20.1 with 0.5.1 and 0.5.2 versions and most recent Sinytra Connector versions.
Neoforge 21.1.132
Some mixins shi, idk
5u5ed is a big W, just want him to know it