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CAN SOMEBODY PLEASE HELP ME WITH THIS:



---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 10-3-15 19:12
Description: Initializing game

java.lang.IllegalArgumentException: ID is already registered: 89
at net.minecraft.entity.EntityList.func_75618_a(EntityList.java:93)
at net.minecraft.entity.EntityList.func_75614_a(EntityList.java:107)
at cpw.mods.fml.common.registry.EntityRegistry.registerGlobalEntityID(EntityRegistry.java:251)
at ganymedes01.headcrumbs.Headcrumbs.init(Headcrumbs.java:134)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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 cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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 cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:691)
at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:288)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:541)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:867)
at net.minecraft.client.main.Main.main(SourceFile:148)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

http://pastebin.com/3FGLQ3uG

-Full crash report-

It looks like two mods are trying to use the same I'd of 89. Head Crumbs may be one of them. Try removing it and seeing if you still get get a crash.

Look here:

headcrumbs{1.3.0} [Headcrumbs] (Headcrumbs-1.3.0.jar) Unloaded->Constructed->Pre-initialized->Errored

Headcrumbs is getting an error
Also here

java.lang.IllegalArgumentException: ID is already registered: 89
at net.minecraft.entity.EntityList.func_75618_a(EntityList.java:93)
at net.minecraft.entity.EntityList.func_75614_a(EntityList.java:107)
at cpw.mods.fml.common.registry.EntityRegistry.registerGlobalEntityID(EntityRegistry.java:251)
at ganymedes01.headcrumbs.Headcrumbs.init(Headcrumbs.java:134)

This one ^ may mean nothing but headcrumbs is erroring

Quote from grimallq»

I've seen this bug hundreds of times. Look at the exact error:
java.lang.IllegalArgumentException: ID is already registered: 89

Headcrumbs mod is reporting that the ID it tried to use is already taken by something else. This should not happen because Forge is supposed to manage entity IDs for mods, to avoid conflicts. It's been like this since Minecraft 1.4.x. But some authors bypass Forge's entity assignemnt system in 1.7.x for whatever reason. What happens is (rough description):

Mod A is bypassing Forge auto system and registers entity ID 89 to itself.

At the same time Headcrumbs sends a request to Forge for a free entity ID. Forge says use ID 89 (because mod A did not inform Forge what it is doing). Headcrumbs tries to register ID 89, sees it's already taken, and crashes throwing that error.

Checking if Headcrums has configurable entity IDs in the config files will get you nothing, it uses Forge's auto system. Reporting this to headcrumbs author will probably end up with him/her telling you this should not happen because they use Forge auto assignment. Removing Headcrumbs will most likely cause another mod using Forge's auto system to crash with the same error, because they'll try to register an ID taken over by that "other" mod.

Well, I learned something new today.

I need help with this too