Buildcraft 6.1 Crash

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 8/17/14 6:55 PM
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.NoSuchMethodError: buildcraft.api.recipes.IRefineryRecipeManager.addRecipe(Lnet/minecraftforge/fluids/FluidStack;Lnet/minecraftforge/fluids/FluidStack;Lnet/minecraftforge/fluids/FluidStack;II)V
	at cpw.mods.fml.common.LoadController.transition(LoadController.java:162)
	at cpw.mods.fml.common.Loader.initializeMods(Loader.java:695)
	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:134)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.NoSuchMethodError: buildcraft.api.recipes.IRefineryRecipeManager.addRecipe(Lnet/minecraftforge/fluids/FluidStack;Lnet/minecraftforge/fluids/FluidStack;Lnet/minecraftforge/fluids/FluidStack;II)V
	at forestry.plugins.PluginBuildCraft.addRefineryRecipe(PluginBuildCraft.java:110)
	at forestry.plugins.PluginBuildCraft.doInit(PluginBuildCraft.java:81)
	at forestry.core.ForestryCore.postInit(ForestryCore.java:149)
	at forestry.core.ForestryClient.postInit(ForestryClient.java:38)
	at forestry.Forestry.postInit(Forestry.java:77)
	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.GeneratedMethodAccessor5.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:694)
	... 10 more