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via GitHub by DrPredator
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ID is already registered: 171
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ID is already registered: 171
via GitHub by Mkchief34
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via GitHub by DrPredator
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ID is already registered: 171
via GitHub by Hunter0retnuH
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ID is already registered: 171
via GitHub by dangergames
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ID is already registered: 176
java.lang.IllegalArgumentException: ID is already registered: 171	at net.minecraft.entity.EntityList.func_75618_a(EntityList.java:94)	at cpw.mods.fml.common.registry.EntityRegistry.registerGlobalEntityID(EntityRegistry.java:199)	at matteroverdrive.init.MatterOverdriveEntities.addEntity(MatterOverdriveEntities.java:78)	at matteroverdrive.init.MatterOverdriveEntities.register(MatterOverdriveEntities.java:55)	at matteroverdrive.MatterOverdrive.postInit(MatterOverdrive.java:166)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:532)	at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	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:212)	at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:190)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	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:119)	at cpw.mods.fml.common.Loader.initializeMods(Loader.java:742)	at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:311)	at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:552)	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:878)	at net.minecraft.client.main.Main.main(SourceFile:148)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:483)	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)