/mr ingame + mr in console

11:18:39 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'mr' in plugin MagicCarpet v2.0.5
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:165)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:378)
        at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:757)
        at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:722)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:715)
        at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java:180)
        at net.minecraft.server.Packet3Chat.a(Packet3Chat.java:33)
        at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:93)
        at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java:550)
        at net.minecraft.server.NetworkListenThread.a(SourceFile:108)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:527)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
Caused by: java.lang.NullPointerException
        at net.digiex.magiccarpet.ReloadCommand.onCommand(ReloadCommand.java:57)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
        ... 14 more
11:18:43 [INFO] [g] JoneKone: just
>mr
11:18:51 [WARNING] Unexpected exception while parsing console command
org.bukkit.command.CommandException: Unhandled exception executing command 'mr' in plugin MagicCarpet v2.0.5
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:165)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:378)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:374)
        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:564)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:541)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
Caused by: java.lang.NullPointerException
        at net.digiex.magiccarpet.ReloadCommand.onCommand(ReloadCommand.java:39)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
        ... 7 more
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