Plugin Aide plugin MyZ

[STARloulou]

Bonsoir,
J'ai une erreur quand je tape n'importe quelle commande qui a un rapport avec MyZ :

>
... 13 more
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at myz.commands.BlockCommand.onCommand(BlockCommand.java:137) ~[?:?]
at myz.support.interfacing.Messenger.sendConfigMessage(Messenger.java:103) ~[?:?]
at myz.support.interfacing.Messenger.sendConfigMessage(Messenger.java:120) ~[?:?]
at myz.support.interfacing.Messenger.processForArguments(Messenger.java:61) ~[?:?]
at myz.support.PlayerData.getRank(PlayerData.java:441) ~[?:?]
at myz.MyZ.getPlayer(MyZ.java:478) ~[?:?]
Caused by: java.lang.NoSuchMethodError: org.bukkit.Bukkit.getOnlinePlayers()Ljava/util/Collection;
at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:469) [minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:558) [minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:260) [minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:667) [minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at net.minecraft.server.v1_7_R3.ServerConnection.c(SourceFile:134) [minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at net.minecraft.server.v1_7_R3.NetworkManager.a(NetworkManager.java:157) [minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at net.minecraft.server.v1_7_R3.PacketPlayInChat.handle(PacketPlayInChat.java:47) [minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at net.minecraft.server.v1_7_R3.PacketPlayInChat.a(PacketPlayInChat.java:28) [minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at net.minecraft.server.v1_7_R3.PlayerConnection.a(PlayerConnection.java:817) [minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at net.minecraft.server.v1_7_R3.PlayerConnection.handleCommand(PlayerConnection.java:956) [minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at org.bukkit.craftbukkit.v1_7_R3.CraftServer.dispatchCommand(CraftServer.java:701) ~[minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:180) ~[minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[minecraft_server.jar:git-Bukkit-1.7.9-R0.1-b3084jnks]
org.bukkit.command.CommandException: Unhandled exception executing command 'blockallow' in plugin MyZ-3 v3.1.21
> [21:56:30 ERROR]: null

Merci

EDIT : j'ai supprimé tous les plugins, et MyZ marche a merveille. C'est sûrement a caus d'un d'eux.