Observed behaviour

"Caused by: java.lang.AbstractMethodError: Receiver class io.redspace.ironsspellbooks.item.armor.TarnishedCrownArmorItem does not define or inherit an implementation of the resolved method 'java.util.function.Supplier getRenderProvider()' of interface software.bernie.geckolib.animatable.GeoItem."

Expected behaviour

Game crashed due to the reason above

Steps to reproduce

1.Download Fabric-> Forge Connector
2. Download Ironspell mod
3. Download fabric Geckolib in a forge server

Server Type

Dedicated Server

Crashlog

https://gist.github.com/Starsseeker2078/62114dba4a713f77faac15f7a68f65b1

Iron's Spells N Spellbooks version

Latest version

Forge version

43.2

Other mods

Geckolib

this is because you are using fabric. we do not support fabric