org.bukkit.command.CommandException: Unhandled exception executing command 'wp'
in plugin Waypoint v1.5.8
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:37)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:12
9)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:3
52)
        at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.
java:737)
        at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:701)

        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:694)
        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:89)
        at net.minecraft.server.NetworkListenThread.a(SourceFile:105)
        at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:457)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:367)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
Caused by: java.lang.NullPointerException
        at me.pirogoeth.Waypoint.Util.Permission.has(Permission.java:44)
        at me.pirogoeth.Waypoint.Core.Parser.CommandParser(Parser.java:155)
        at me.pirogoeth.Waypoint.Waypoint.onCommand(Waypoint.java:94)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:35)
        ... 12 more