Server crash on injections

server crashes upon loading injections then randomley says that it failled to load them heres the logs also

server is ftb stoneblock 2 1.12.2 v.1.22.0 spongeforge 1.12.2 rc4141

https://docs.spongepowered.org/stable/en/server/spongineer/incompatible.html#hammer-core

Follow the instructions under HammerCore.

thanks this seems to have fixed the issue