Je n'arrive pas a lancer mon serveur minecraft modé

Bonjours je veux crée un serveur minecraft modé sur un pc mais quand je lance le .bat se s'ouvre puis se ferme et sa meu met se msg dans les logs:
[08:51:17] [main/INFO] [FML/]: Forge Mod Loader version 7.10.1.1158 for Minecraft 1.7.10 loading
[08:51:17] [main/INFO] [FML/]: Java is Java HotSpot(TM) Client VM, version 1.8.0_40, running on Windows 7:x86:6.1, installed at C:\Program Files (x86)\Java\jre1.8.0_40
[08:51:17] [main/DEBUG] [FML/]: Java classpath at launch is forge-1.7.10-10.13.0.1158-universal.jar
[08:51:17] [main/DEBUG] [FML/]: Java library path at launch is C:\ProgramData\Oracle\Java\javapath;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;.
[08:51:17] [main/DEBUG] [FML/]: Enabling runtime deobfuscation
[08:51:17] [main/DEBUG] [FML/]: Instantiating coremod class FMLCorePlugin
[08:51:17] [main/DEBUG] [FML/]: Added access transformer class cpw.mods.fml.common.asm.transformers.AccessTransformer to enqueued access transformers
[08:51:17] [main/DEBUG] [FML/]: Enqueued coremod FMLCorePlugin
[08:51:17] [main/DEBUG] [FML/]: Instantiating coremod class FMLForgePlugin
[08:51:17] [main/DEBUG] [FML/]: Added access transformer class net.minecraftforge.transformers.ForgeAccessTransformer to enqueued access transformers
[08:51:17] [main/DEBUG] [FML/]: Enqueued coremod FMLForgePlugin
[08:51:17] [main/DEBUG] [FML/]: All fundamental core mods are successfully located
[08:51:17] [main/DEBUG] [FML/]: Discovering coremods
[08:51:17] [main/INFO] [LaunchWrapper/]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[08:51:17] [main/INFO] [LaunchWrapper/]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[08:51:17] [main/INFO] [LaunchWrapper/]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[08:51:17] [main/ERROR] [LaunchWrapper/]: Unable to launch
java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source) ~[?:1.8.0_40]
at java.util.ArrayList$Itr.remove(Unknown Source) ~[?:1.8.0_40]
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_40]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_40]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_40]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_40]
at cpw.mods.fml.relauncher.ServerLaunchWrapper.run(ServerLaunchWrapper.java:43) [forge-1.7.10-10.13.0.1158-universal.jar:?]
at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.java:12) [forge-1.7.10-10.13.0.1158-universal.jar:?]

Merci si vous pouvze m'aider :)