> [16:37:05] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
> [16:37:06] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
> [16:37:06] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
> [16:37:06] [main/INFO] [FML]: Forge Mod Loader version 7.2.211.1121 for Minecraft 1.7.2 loading
> [16:37:06] [main/INFO] [FML]: Java is Java HotSpot(TM) Client VM, version 1.7.0_67, running on Windows 7:x86:6.1, installed at C:\Program Files\Java\jre7
> [16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
> [16:37:06] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
> [16:37:06] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
> [16:37:06] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
> [16:37:06] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
> [16:37:10] [main/ERROR] [FML]: There is a binary discrepency between the expected input class btj (btj) and the actual class. Checksum on disk is a9545dff, in patch 12c444b4. Things are probably about to go very wrong. Did you put something into the jar file?
> [16:37:10] [main/ERROR] [FML]: The game is going to exit, because this is a critical error, and it is very improbable that the modded game will work, please obtain clean jar files.