bonjour j'ai un probleme avec mon serveur ftb, des que j'essaye de me connecter, je suis deconnecter par le serveur et il me dit "error intern sevrer" et dans la console, ceci est affiché:

2013-05-27 12:40:42 [WARNING] Failed to handle packet for monpseudo [/monIP]: t: Loading entity NBT
t: Loading entity NBT
at lq.e(Entity.java:1906)
at ahv.b(SaveHandler.java:315)
at gm.a(ServerConfigurationManager.java:232)
at gm.a(ServerConfigurationManager.java:134)
at it.completeConnection(NetLoginHandler.java:214)
at cpw.mods.fml.common.network.FMLNetworkHandler.hand
leClientConnection(FMLNetworkHandler.java:155)

at cpw.mods.fml.common.network.FMLNetworkHandler.onCo
nnectionReceivedFromClient(FMLNetworkHandler.java:
109)

at it.d(NetLoginHandler.java:190)
at it.c(NetLoginHandler.java:81)
at hu.a(ServerListenThread.java:58)
at ht.b(DedicatedServerListenThread.java:33)
at net.minecraft.server.MinecraftServer.r(MinecraftSe
rver.java:985)

at ho.r(DedicatedServer.java:309)
at net.minecraft.server.MinecraftServer.q(MinecraftSe
rver.java:861)

at net.minecraft.server.MinecraftServer.run(Minecraft
Server.java:748)

at fy.run(ThreadMinecraftServer.java:16)
Caused by: java.lang.NullPointerException
at lq.e(Entity.java:1893)
... 15 more