Hello, I don't know what I've done wrong but suddenly I can't run my mod anymore because of this error:

 

2012-10-04 15:45:37 [sEVERE] [ForgeModLoader] Attempted to load a proxy type cococraft2.client.ClientProxy into cococraft2.common.CocoCraft2.proxy, but the types don't match
2012-10-04 15:45:37 [sEVERE] [ForgeModLoader] An error occured trying to load a proxy into {clientSide=cococraft2.client.ClientProxy, serverSide=cococraft2.common.CommonProxy}.cococraft2.common.CocoCraft2
cpw.mods.fml.common.LoaderException
at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:61)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:348)
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:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:124)
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:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:81)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:458)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:144)
at net.minecraft.client.Minecraft.startGame(Minecraft.java:405)
at net.minecraft.client.Minecraft.run(Minecraft.java:737)
at java.lang.Thread.run(Unknown Source)
2012-10-04 15:45:37 [sEVERE] [ForgeModLoader] Fatal errors were detected during the transition from CONSTRUCTING to PREINITIALIZATION. Loading cannot continue
2012-10-04 15:45:37 [sEVERE] [ForgeModLoader] 
FML [Forge Mod Loader] (coremods) Unloaded->Constructed
Forge [Minecraft Forge] (coremods) Unloaded->Constructed
CocoCraft2 [CocoCraft2] (bin) Unloaded->Errored
2012-10-04 15:45:37 [sEVERE] [ForgeModLoader] The following problems were captured during this phase
2012-10-04 15:45:37 [sEVERE] [ForgeModLoader] Caught exception from CocoCraft2
cpw.mods.fml.common.LoaderException: cpw.mods.fml.common.LoaderException
at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:68)
at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:348)
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:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:124)
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:69)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:317)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:300)
at com.google.common.eventbus.EventBus.post(EventBus.java:268)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:81)
at cpw.mods.fml.common.Loader.loadMods(Loader.java:458)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:144)
at net.minecraft.client.Minecraft.startGame(Minecraft.java:405)
at net.minecraft.client.Minecraft.run(Minecraft.java:737)
at java.lang.Thread.run(Unknown Source)
Caused by: cpw.mods.fml.common.LoaderException
at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:61)

 

Does anybody know how to fix this?

Does your client proxy extends your common proxy like

"public class ClientProxy extends CommonProxy"

?

I have fixed it, thanks tho

Hey man im having the same issue, what was your fix?