Hey,

I Tried adding this mod to the Create Above and Beyond Modpack.

The Server starts without issues but joining isnt possible.

Internal Exception: io.netty.handler.codec.DecoderException
net.minecraft.util.ResourceLocationException: Non [a-z0-9/._-] character in path of location minecraft:�

Im not sure if this is directly related to this mod but removing it fixes the issue.

OK

installing it for the clients too fixes the issue.
but i dont get why?

im having this problem for my own pack. I've never seen this before, what does it even mean? OP how did you fix?