error because you use old ic2 api i have ic2 experimental
cpw.mods.fml.common.LoaderException: java.lang.NoSuchMethodError: ic2.api.recipe.IMachineRecipeManager.addRecipe(Lnet/minecraft/item/ItemStack;Ljava/lang/Object;)V
at cpw.mods.fml.common.LoadController.transition(LoadController.java:149)
at cpw.mods.fml.common.Loader.initializeMods(Loader.java:698)
at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:231)
at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:506)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:796)
at net.minecraft.client.main.Main.main(SourceFile:101)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:491)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:57)
at net.minecraft.launchwrapper.Launch.main(Launch.java:18)
Caused by: java.lang.NoSuchMethodError: ic2.api.recipe.IMachineRecipeManager.addRecipe(Lnet/minecraft/item/ItemStack;Ljava/lang/Object;)V
at makmods.levelstorage.proxy.CommonProxy.addSimpleCraftingRecipes(CommonProxy.java:42)
at makmods.levelstorage.proxy.CommonProxy.init(CommonProxy.java:85)
at makmods.levelstorage.proxy.ClientProxy.init(ClientProxy.java:108)
at makmods.levelstorage.LevelStorage.init(LevelStorage.java:111)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:491)
EDIT:
I used old api, and I tell you , new features is awesome , the best electric sickle , and very need wireless power synchrozer other items too good hehe funny atomic disasembler , but maybe add other combination for tesla shoot, because when I fly and shoot tesla coil i have boost for fly
EDIT2: Omg jump when i use quantum ring and your set armor and spritnt with leggins