2011-02-24 21:13:44 [INFO] GroupManager - Reloading your data...
2011-02-24 21:13:44 [SEVERE] null
java.lang.Exception: This server does not use Permissions.
        at org.anjocaido.groupmanager.DataHolder.load(DataHolder.java:275)
        at org.anjocaido.groupmanager.DataHolder.reload(DataHolder.java:247)
        at org.anjocaido.groupmanager.GroupManager.reload(GroupManager.java:185)
        at org.anjocaido.groupmanager.GroupManager.onCommand(GroupManager.java:984)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:19)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:77)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:173)
        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:362)
        at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:347)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:253)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:366)
2011-02-24 21:13:44 [INFO] GroupManager - Roload done!
2011-02-24 21:13:44 [INFO]  Permissions reloaded.