Not working and Crashing when using config

[MrDespicable]

Doesnt work when press active button,and crash the game after click the BBOR button in game menu

Minecraft version: 1.21.4
Fabric version: 0.16.10
BBOR version: v2.6-1.21

crash reports.zip

[VoscRoty]

Same issue, it may be that 1.21.4 is not supported, this mod needs to be updated
Game Version: Original 1.21.4-Fabric

[nightcrawler766]

Same issue here just added it to my game open the mod button then the config for this mod and my game crashed. 1.21.4