[21:27:51] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLServerTweaker
[21:27:51] [main/INFO]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLServerTweaker
[21:27:51] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLServerTweaker
[21:27:51] [main/INFO]: Forge Mod Loader version 7.10.25.1207 for Minecraft 1.7.10 loading
[21:27:51] [main/INFO]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_31, running on Linux:amd64:3.13.0-44-generic, installed at /opt/jdk1.8.0_31/jre
[21:27:52] [main/INFO]: [AppEng] Core Init
[21:27:55] [main/WARN]: The following coremods do not have a @MCVersion annotation. They may cause problems if this is not the correct version of Minecraft for them.
[21:27:55] [main/WARN]: Missing @MCVersion: appeng.transformer.AppEngCore  codechicken.core.launch.CodeChickenCorePlugin  cofh.asm.LoadingPlugin  codechicken.core.launch.DepLoader  ic2.core.coremod.IC2core  invtweaks.forge.asm.FMLPlugin  logisticspipes.asm.LogisticsPipesCoreLoader  mcp.mobius.mobiuscore.asm.CoreDescription  mrtjp.core.handler.CorePlugin  codechicken.nei.asm.NEICorePlugin  openblocks.OpenBlocksCorePlugin  openmods.OpenModsCorePlugin  codechicken.core.launch.DepLoader  codechicken.core.launch.DepLoader  lumien.randomthings.Transformer.RTLoadingPlugin
[21:27:55] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[21:27:55] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[21:27:55] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[21:27:55] [main/ERROR]: Unable to launch
java.util.ConcurrentModificationException
        at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) ~[?:1.8.0_31]
        at java.util.ArrayList$Itr.remove(ArrayList.java:865) ~[?:1.8.0_31]
        at net.minecraft.launchwrapper.Launch.launch(Launch.java:117) [launchwrapper-1.9.jar:?]
        at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_31]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_31]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_31]
        at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_31]
        at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43) [cauldron-server.jar:git-Cauldron-MCPC-Plus-1.7.10-1.1207.01.198]
        at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12) [cauldron-server.jar:git-Cauldron-MCPC-Plus-1.7.10-1.1207.01.198]