[13:17:29] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLServerTweaker
[13:17:29] [main/INFO]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLServerTweaker
[13:17:29] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLServerTweaker
[13:17:29] [main/INFO]: Forge Mod Loader version 7.2.217.1147 for Minecraft 1.7.2 loading
[13:17:30] [main/INFO]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_25, running on Windows Server 2008 R2:amd64:6.1, installed at D:\Programmes
[13:17:30] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[13:17:30] [main/INFO]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[13:17:30] [main/INFO]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[13:17:30] [main/ERROR]: Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_25]
at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_25]
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_25]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_25]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_25]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_25]
at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43) [cauldron-1.7.2-1.1147.04.196-server.jar:git-Cauldron-MCPC-Plus-1.7.2-1.1147.04.196]
at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12) [cauldron-1.7.2-1.1147.04.196-server.jar:git-Cauldron-MCPC-Plus-1.7.2-1.1147.04.196]