Help?

When i load ic2 in a modpack on 1.7.10 it crashes my game and it doesnt know what went wrong but when im on stage 5 post installation i get to ic2 and it crashes. can someone help? also if u need more info msg me

[14:18:46] [Client thread/ERROR]: IndustrialCraft 2 Error

The IC2 config file contains an invalid entry for balance/recyclerBlacklist.

Invalid value at line 63 (recyclerBlacklist = minecraft:glass_pane, minecraft:stick, minecraft:snowball, minecraft:snow_layer, minecraft:snow, IC2:scaffold).

There is no item matching IC2:scaffold.

[14:18:47] [Client thread/FATAL]: Exception caught while showing an error.

java.lang.IllegalStateException: From thread Thread[Client thread,10,main]: Thread[Thread-9,10,main] already has the context current

at org.lwjgl.opengl.ContextGL.checkAccess(ContextGL.java:184) ~[lwjgl-2.9.1.jar:?]

at org.lwjgl.opengl.ContextGL.forceDestroy(ContextGL.java:241) ~[lwjgl-2.9.1.jar:?]

at org.lwjgl.opengl.DrawableGL.destroy(DrawableGL.java:130) ~[lwjgl-2.9.1.jar:?]

at org.lwjgl.opengl.Display$5.destroy(Display.java:834) ~[lwjgl-2.9.1.jar:?]

at org.lwjgl.opengl.Display.destroy(Display.java:1095) ~[lwjgl-2.9.1.jar:?]

at ic2.core.PlatformClient.displayError(PlatformClient.java:112) [PlatformClient.class:?]

at ic2.core.util.ConfigUtil.displayError(ConfigUtil.java:330) [ConfigUtil.class:?]

at ic2.core.util.ConfigUtil.asRecipeInputList(ConfigUtil.java:44) [ConfigUtil.class:?]

at ic2.core.block.machine.tileentity.TileEntityRecycler.initLate(TileEntityRecycler.java:51) [TileEntityRecycler.class:?]

at ic2.core.IC2.modsLoaded(IC2.java:572) [IC2.class:?]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_25]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_25]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]

at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]

at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:532) [FMLModContainer.class:?]

at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) ~[?:?]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]

at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]

at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74) [guava-17.0.jar:?]

at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47) [guava-17.0.jar:?]

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322) [guava-17.0.jar:?]

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304) [guava-17.0.jar:?]

at com.google.common.eventbus.EventBus.post(EventBus.java:275) [guava-17.0.jar:?]

at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:212) [LoadController.class:?]

at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:190) [LoadController.class:?]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_25]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_25]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]

at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]

at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74) [guava-17.0.jar:?]

at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47) [guava-17.0.jar:?]

at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322) [guava-17.0.jar:?]

at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304) [guava-17.0.jar:?]

at com.google.common.eventbus.EventBus.post(EventBus.java:275) [guava-17.0.jar:?]

at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:119) [LoadController.class:?]

at cpw.mods.fml.common.Loader.initializeMods(Loader.java:742) [Loader.class:?]

at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:311) [FMLClientHandler.class:?]

at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:552) [bao.class:?]

at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:878) [bao.class:?]

at net.minecraft.client.main.Main.main(SourceFile:148) [Main.class:?]

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_25]

at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_25]

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]

at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]

at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]

at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]