java.lang.IllegalArgumentException: Can’t add the name (compactedSnow) without a prefix, object jonasplays.snowmod.moditems.CompactedSnow@422f09ba

Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

Updating 1.7 to 1.8 Part 2: Basic Items | Minecraft Mods and Modding

Can’t add the name (compactedSnow) without a prefix, object jonasplays.snowmod.moditems.CompactedSnow@422f09ba

[1.10.2] The name forestry:cocoon.solid has been registered twice

The name forestry:cocoon.solid has been registered twice, for Block{null} and Block{forestry:cocoon.solid}.

java.lang.IllegalArgumentException: Can’t add the name (compactedSnow) without a prefix, object jonasplays.snowmod.moditems.CompactedSnow@422f09ba	at net.minecraftforge.fml.common.registry.FMLControlledNamespacedRegistry.add(FMLControlledNamespacedRegistry.java:359)	at net.minecraftforge.fml.common.registry.GameData.registerItem(GameData.java:747)	at net.minecraftforge.fml.common.registry.GameData.registerItem(GameData.java:711)	at net.minecraftforge.fml.common.registry.GameRegistry.registerItem(GameRegistry.java:143)	at net.minecraftforge.fml.common.registry.GameRegistry.registerItem(GameRegistry.java:131)	at jonasplays.snowmod.moditems.CompactedSnow.(CompactedSnow.java:13)	at jonasplays.snowmod.moditems.ModItems.init(ModItems.java:11)	at jonasplays.snowmod.snowmod.SnowMod.preInit(SnowMod.java:21)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:515)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)	at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)	at com.google.common.eventbus.EventBus.post(EventBus.java:275)	at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)	at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:187)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)	at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)	at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)	at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)	at com.google.common.eventbus.EventBus.post(EventBus.java:275)	at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:118)	at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:514)	at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:243)	at net.minecraft.client.Minecraft.startGame(Minecraft.java:412)	at net.minecraft.client.Minecraft.run(Minecraft.java:325)	at net.minecraft.client.main.Main.main(Main.java:117)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)	at net.minecraftforge.gradle.GradleStartCommon.launch(GradleStartCommon.java:78)	at GradleStart.main(GradleStart.java:45)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:606)	at com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)