[20:57:38 INFO]: luke199 issued server command: /dev
[20:57:38 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'dev' in plugin KitPVP v0.0.1
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[cb.jar:git-Spigot-1470]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:180) ~[cb.jar:git-Spigot-1470]
        at org.bukkit.craftbukkit.v1_7_R3.CraftServer.dispatchCommand(CraftServer.java:728) ~[cb.jar:git-Spigot-1470]
        at net.minecraft.server.v1_7_R3.PlayerConnection.handleCommand(PlayerConnection.java:985) [cb.jar:git-Spigot-1470]
        at net.minecraft.server.v1_7_R3.PlayerConnection.a(PlayerConnection.java:830) [cb.jar:git-Spigot-1470]
        at net.minecraft.server.v1_7_R3.PacketPlayInChat.a(PacketPlayInChat.java:28) [cb.jar:git-Spigot-1470]
        at net.minecraft.server.v1_7_R3.PacketPlayInChat.handle(PacketPlayInChat.java:65) [cb.jar:git-Spigot-1470]
        at net.minecraft.server.v1_7_R3.NetworkManager.a(NetworkManager.java:180) [cb.jar:git-Spigot-1470]
        at net.minecraft.server.v1_7_R3.ServerConnection.c(ServerConnection.java:81) [cb.jar:git-Spigot-1470]
        at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:713) [cb.jar:git-Spigot-1470]
        at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:283) [cb.jar:git-Spigot-1470]
        at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:576) [cb.jar:git-Spigot-1470]
        at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:482) [cb.jar:git-Spigot-1470]
        at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [cb.jar:git-Spigot-1470]
Caused by: java.lang.NullPointerException
        at com.hubert_kaluzny.kitpvp.Commands.dev.onCommand(dev.java:17) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[cb.jar:git-Spigot-1470]
        ... 13 more