So, I continuously get this error involving the preinit and configuration with my mod ever since I've updated my mod for Minecraft 1.5

 

cpw.mods.fml.common.LoaderException: java.lang.ExceptionInInitializerError

at cpw.mods.fml.common.LoadController.transition(LoadController.java:142)

at cpw.mods.fml.common.Loader.loadMods(Loader.java:506)

at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:160)

at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:406)

at net.minecraft.client.MinecraftAppletImpl.func_71384_a(SourceFile:56)

at net.minecraft.client.Minecraft.run(Minecraft.java:728)

at java.lang.Thread.run(Unknown Source)

Caused by: java.lang.ExceptionInInitializerError

at com.lomeli.diving.config.ConfigID.configure(ConfigID.java:22)

at com.lomeli.diving.DivingGear.preInit(DivingGear.java:44)

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:515)

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.EventHandler.handleEvent(EventHandler.java:74)

at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)

at com.google.common.eventbus.EventBus.post(EventBus.java:267)

at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:165)

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.EventHandler.handleEvent(EventHandler.java:74)

at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)

at com.google.common.eventbus.EventBus.post(EventBus.java:267)

at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:98)

at cpw.mods.fml.common.Loader.loadMods(Loader.java:505)

... 5 more

Caused by: java.lang.NullPointerException

at net.minecraftforge.common.EnumHelper.addEnum(EnumHelper.java:226)

at net.minecraftforge.common.EnumHelper.addEnum(EnumHelper.java:198)

at net.minecraftforge.common.EnumHelper.addEnum(EnumHelper.java:184)

at net.minecraftforge.common.EnumHelper.addArmorMaterial(EnumHelper.java:54)

at com.lomeli.diving.config.RegisterItems.<clinit>(RegisterItems.java:18)

... 33 more

 

 

Mod Source: https://github.com/Lomeli12/DivingGear

Fixed with latest version of forge.