when I try playing multiplayer servers it won't let me join and says - registry entry not present:create:copper_ore if anyone knows how to fix this or if there are any other mods I need please tell me.

This issue has been marked as stale because it has been inactive for 3 weeks. It will be closed if it remains inactive for another 3 weeks.

This issue has been closed since it has been inactive for 3 weeks since it was marked as stale.