Hea running 1.7.10 need little help with an Error

Ok I have had these mods work before. I'm using them just on single player mode. It keeps saying blacklisted error problem. If someone could look at it give me a quick fix it would make my kids really happy. Running 1.7.10 Hope this helps and thxs to anyone who can help.

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.
[01:43:58] [Client thread/FATAL] [IC2.General]: Exception caught while showing an error.
java.lang.IllegalStateException: From thread Thread[Client thread,5,main]: Thread[Thread-7,5,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.GeneratedMethodAccessor3.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:?]

I deleted the file and it didn't regenerate for some reason Let me give that a try one more time and get back to you. Seen you a lot bro your the best and thanks for being so helpful in the forums.