Forgematica is trying to hook into a method in LevelRenderer that no longer exists or has changed its signature in Minecraft 1.21.8.
The specific error is that forgematica-0.4.3_mc1.21.8.jar is looking for a method called method_62214 in net.minecraft.client.renderer.LevelRenderer, but it can't find it because there's no refMap loaded to translate that Fabric intermediary name to the correct NeoForge/SRG name.
Forgematica is trying to hook into a method in LevelRenderer that no longer exists or has changed its signature in Minecraft 1.21.8.
The specific error is that forgematica-0.4.3_mc1.21.8.jar is looking for a method called method_62214 in net.minecraft.client.renderer.LevelRenderer, but it can't find it because there's no refMap loaded to translate that Fabric intermediary name to the correct NeoForge/SRG name.