Salut!
Voilà!
Quand j'essaie d'aller sur mon serveur, ça met "Internal Server Error".
Dans minecraft_server.jar, voici ce que ça me met:
[WARNING] Failed to handle packet for Max103/**********: java.lang.ArrayIndexOutOfBoundsException: 4
java.lang.ArrayIndexOutOfBoundsException: 4
at qx.b(SourceFile:1519)
at md.c(SourceFile:1214)
at qx.c(SourceFile:357)
at md.j_(SourceFile:540)
at qx.j_(SourceFile:200)
at iq.g(SourceFile:175)
at iv.a(SourceFile:199)
at eb.a(SourceFile:136)
at cg.b(SourceFile:349)
at iv.d(SourceFile:57)
at iw.b(SourceFile:39)
at ht.b(SourceFile:30)
at net.minecraft.server.MinecraftServer.r(SourceFile:
762)
at ho.r(SourceFile:248)
at net.minecraft.server.MinecraftServer.q(SourceFile:
679)
at net.minecraft.server.MinecraftServer.run(SourceFil
e:613)
at fy.run(SourceFile:849)
Comprends rien 
Pouvez vous m'aider?