2013-03-31 18:04:18 [INFO] player issued server command: /bd air
2013-03-31 18:04:19 [INFO] player issued server command: /bd
2013-03-31 18:04:19 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'bd' in plugin BlockDisguise v1.1.1
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:187)
	at org.bukkit.craftbukkit.v1_5_R2.CraftServer.dispatchCommand(CraftServer.java:546)
	at net.minecraft.server.v1_5_R2.PlayerConnection.handleCommand(PlayerConnection.java:980)
	at net.minecraft.server.v1_5_R2.PlayerConnection.chat(PlayerConnection.java:896)
	at net.minecraft.server.v1_5_R2.PlayerConnection.a(PlayerConnection.java:841)
	at net.minecraft.server.v1_5_R2.Packet3Chat.handle(Packet3Chat.java:44)
	at org.spigotmc.netty.NettyNetworkManager.b(NettyNetworkManager.java:192)
	at net.minecraft.server.v1_5_R2.PlayerConnection.d(PlayerConnection.java:110)
	at net.minecraft.server.v1_5_R2.ServerConnection.b(SourceFile:35)
	at org.spigotmc.netty.NettyServerConnection.b(NettyServerConnection.java:69)
	at net.minecraft.server.v1_5_R2.MinecraftServer.r(MinecraftServer.java:580)
	at net.minecraft.server.v1_5_R2.DedicatedServer.r(DedicatedServer.java:229)
	at net.minecraft.server.v1_5_R2.MinecraftServer.q(MinecraftServer.java:469)
	at net.minecraft.server.v1_5_R2.MinecraftServer.run(MinecraftServer.java:401)
	at net.minecraft.server.v1_5_R2.ThreadServerApplication.run(SourceFile:573)
Caused by: java.lang.NullPointerException
	at com.ne0nx3r0.blockdisguise.disguise.DisguiseManager.undisguise(DisguiseManager.java:63)
	at com.ne0nx3r0.blockdisguise.commands.BlockDisguiseCommandExecutor.onCommand(BlockDisguiseCommandExecutor.java:37)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
	... 15 more