Bequatre

I have a problem when I start my minecraft server. I am currently using a Magma server (allows plugins and mods at the same time). The error in question is this one: java.lang.NoSuchMethodError: net.minecraft.item.Item.setTileEntityItemStackRenderer(Lnet/minecraft/client/renderer/tileentity/TileEntityItemStackRenderer;)V at com.magistuarmory.item.ItemProperties.extract(ItemProperties.java:75) at com.magistuarmory.item.MedievalItem.<init>(MedievalItem.java:11) at com.magistuarmory.init.ModItems.lambda$static$0(ModItems.java:31) at com.magistuarmory.init.DeferredRegister.register(DeferredRegister.java:66) at com.magistuarmory.init.ModItems.<clinit>(ModItems.java:31) at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_34_ModItems_registerItems_Register.invoke(.dynamic) at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90) at net.minecraftforge.fml.common.eventhandler.EventBus$1.invoke(EventBus.java:146) at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:190) at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:856) at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:601) at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:103) at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:337) at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:169) at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:623) at java.lang.Thread.run(Unknown Source) I don't know what does that mean and what to do to solve it. If someone can help me, I'll be so grateful.