B#439]  [15:45:07] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[B#439]  [15:45:07] [main/INFO]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[B#439]  [15:45:07] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[B#439]  [15:45:07] [main/INFO]: Forge Mod Loader version 7.2.217.1147 for Minecraft 1.7.2 loading
[B#439]  [15:45:07] [main/INFO]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_20, running on Windows 7:amd64:6.1, installed at C:\Program Files\Java\jre1.8.0_20
[B#439]  [15:45:07] [main/WARN]: The coremod mods.battlegear2.coremod.BattlegearLoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#439]  [15:45:07] [main/WARN]: The coremod appeng.transformer.AppEngCore does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#439]  [15:45:07] [main/INFO]: [AppEng] Core Init
[B#439]  [15:45:08] [main/WARN]: The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#439]  Warning: version of bspkrsCore, 6.11 is newer than request 6.9
[B#439]  [15:45:08] [main/WARN]: The coremod invtweaks.forge.asm.FMLPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#439]  [15:45:08] [main/WARN]: The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
[B#439]  [15:45:08] [main/INFO]: Loading tweaker optifine.OptiFineForgeTweaker from OptiFine_1.7.2_HD_U_D3.jar
[B#439]  [15:45:08] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[B#439]  [15:45:08] [main/INFO]: Loading tweak class name optifine.OptiFineForgeTweaker
[B#439]  [15:45:08] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[B#439]  [15:45:08] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[B#439]  [15:45:08] [main/ERROR]: Unable to launch
[B#439]  java.util.ConcurrentModificationException
[B#439]  	at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_20]
[B#439]  	at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_20]
[B#439]  	at net.minecraft.launchwrapper.Launch.launch(Launch.java:117) [launchwrapper-1.9.jar:?]
[B#439]  	at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
[B#439]  Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=128m; support was removed in 8.0