Résolu Probleme groupmanager

Et pour les accents / l'encodage?
Sinon fais /manload et regarde la console puis poste le message d'erreur
 
org.bukkit.command.CommandException: Unhandled exception executing command 'manload' in plugin GroupManager v2.0 (2.11.1) (Phoenix)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:180) ~[craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:740) ~[craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at net.minecraft.server.v1_7_R4.PlayerConnection.handleCommand(PlayerConnection.java:957) [craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:818) [craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at net.minecraft.server.v1_7_R4.PacketPlayInChat.a(PacketPlayInChat.java:28) [craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at net.minecraft.server.v1_7_R4.PacketPlayInChat.handle(PacketPlayInChat.java:47) [craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:157) [craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at net.minecraft.server.v1_7_R4.ServerConnection.c(SourceFile:134) [craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:667) [craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:258) [craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:558) [craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:469) [craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]
Caused by: java.lang.NullPointerException
at org.anjocaido.groupmanager.GroupManager.onCommand(GroupManager.java:410) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit-1.7.10-R0.1.jar:git-Bukkit-1.7.9-R0.2-20-g0b2ed13-b3108jnks]

... 13 more
 
Bonjour/bonsoir.
À mon avis, le problème est dû au deux grades que tu as mis en default: true.
Tu dois en avoir que un.