C:\Users\Laptop\Desktop\CL>java -Xms2048m -Xmx2048m -XX:PermSize=128m -jar FTBServer-1.6.4-965.jar nogui
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=128m; support was removed in 8.0
Feb 06, 2016 3:38:38 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Loading tweak class name cpw.mods.fml.common.launcher.FMLServerTweaker
Feb 06, 2016 3:38:38 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Using primary tweak class name cpw.mods.fml.common.launcher.FMLServerTweaker
Feb 06, 2016 3:38:38 PM net.minecraft.launchwrapper.LogWrapper log
INFO: Calling tweak class cpw.mods.fml.common.launcher.FMLServerTweaker
2016-02-06 15:38:38 [INFO] [ForgeModLoader] Forge Mod Loader version 6.4.49.965 for Minecraft 1.6.4 loading
2016-02-06 15:38:38 [INFO] [ForgeModLoader] Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_71, running on Windows 10:amd64:10.0, installed at C:\Program Files\Java\jre1.8.0_71
2016-02-06 15:38:38 [WARNING] [ForgeModLoader] The coremod net.minecraftforge.lex.sortfix.CorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-02-06 15:38:38 [WARNING] [ForgeModLoader] The coremod codechicken.core.launch.DepLoader does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-02-06 15:38:39 [WARNING] [ForgeModLoader] The coremod appeng.transformer.AppEngCore does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-02-06 15:38:39 [INFO] [ForgeModLoader] [AppEng] Core Init
2016-02-06 15:38:39 [WARNING] [ForgeModLoader] The coremod codechicken.core.launch.CodeChickenCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-02-06 15:38:39 [WARNING] [ForgeModLoader] The coremod cofh.asm.LoadingPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-02-06 15:38:39 [WARNING] [ForgeModLoader] The coremod codechicken.nei.asm.NEICorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-02-06 15:38:39 [WARNING] [ForgeModLoader] The coremod openblocks.OpenBlocksCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-02-06 15:38:39 [WARNING] [ForgeModLoader] The coremod openmods.OpenModsCorePlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-02-06 15:38:39 [WARNING] [ForgeModLoader] The coremod squeek.spiceoflife.asm.ASMPlugin does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-02-06 15:38:39 [WARNING] [ForgeModLoader] The coremod tconstruct.preloader.TConstructLoaderContainer does not have a MCVersion annotation, it may cause issues with this version of Minecraft
2016-02-06 15:38:39 [INFO] [TCon-Preloader] Scalpel. Suction. Lumber axe. CLEAR! *zap*
2016-02-06 15:38:39 [INFO] [TCon-Preloader] Constructing preloader (Modules: [tconstruct.preloader.AccessTransformers, tconstruct.preloader.ASMInterfaceRepair])
2016-02-06 15:38:39 [INFO] [TCon-Preloader] Found a properties file. Attempting load...
2016-02-06 15:38:39 [INFO] [TCon-Preloader] Loaded properties successfully. Using specified settings.
2016-02-06 15:38:39 [INFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2016-02-06 15:38:39 [INFO] [ForgeModLoader] Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
2016-02-06 15:38:39 [INFO] [ForgeModLoader] Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
2016-02-06 15:38:39 [SEVERE] [ForgeModLoader] Unable to launch
java.util.ConcurrentModificationException
        at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
        at java.util.ArrayList$Itr.remove(Unknown Source)
        at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
        at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:48)
        at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:17)

C:\Users\Laptop\Desktop\CL>pause
Press any key to continue . . .