(crash) serveur claudron 1.7.10 mysticblade

[PIF50070]

bonjour voila mon probléme avec un pote on veux monté un serveur mysticblade avec claudron mes le serveur crash des que je le demare
voila les log

Warning: version of CodeChickenLib, 1.1.1.104 is newer than request 1.1.1.99
A problem occurred running the Server launcher.java.lang.reflect.InvocationTarge
tException
        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.j
ava:43)
        at cpw.mods.fml.relauncher.ServerLaunchWrapper.main(ServerLaunchWrapper.
java:12)
Caused by: java.lang.IllegalAccessError: tried to access class com.google.common
.base.Splitter$2 from class com.google.common.base.Splitter
        at com.google.common.base.Splitter.on(Splitter.java:174)
        at cpw.mods.fml.common.asm.transformers.AccessTransformer$1.processLine(
AccessTransformer.java:146)
        at com.google.common.io.CharStreams.readLines(CharStreams.java:317)
        at com.google.common.io.CharSource.readLines(CharSource.java:239)
        at cpw.mods.fml.common.asm.transformers.AccessTransformer.processATFile(
AccessTransformer.java:130)
        at cpw.mods.fml.common.asm.transformers.AccessTransformer.readMapFile(Ac
cessTransformer.java:125)
        at cpw.mods.fml.common.asm.transformers.AccessTransformer.<init>(AccessT
ransformer.java:106)
        at cpw.mods.fml.common.asm.transformers.AccessTransformer.<init>(AccessT
ransformer.java:102)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Sou
rce)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at java.lang.Class.newInstance(Unknown Source)
        at net.minecraft.launchwrapper.LaunchClassLoader.registerTransformer(Lau
nchClassLoader.java:86)
        at cpw.mods.fml.common.launcher.FMLDeobfTweaker.injectIntoClassLoader(FM
LDeobfTweaker.java:32)
        at net.minecraft.launchwrapper.Launch.launch(Launch.java:114)
        at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
        ... 6 more

merci de votre aide a l avance