[SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'islandev' in plugin IslandWorld v4.5
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:192)
at org.bukkit.craftbukkit.v1_6_R3.CraftServer.dispatchCommand(CraftServer.java:534)
at net.minecraft.network.NetServerHandler.func_72566_d(NetServerHandler.java:1406)
at net.minecraft.network.NetServerHandler.chat(NetServerHandler.java:1270)
at net.minecraft.network.NetServerHandler.func_72481_a(NetServerHandler.java:1202)
at net.minecraft.network.packet.Packet3Chat.func_73279_a(Packet3Chat.java:68)
at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:480)
at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:234)
at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:54)
at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(DedicatedServerListenThread.java:37)
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:917)
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:331)
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:784)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:666)
at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)
Caused by: java.lang.NullPointerException
at pl.islandworld.IslandWorld.teleportPlayer(IslandWorld.java:2304)
at pl.islandworld.commands.IslandDev.commandTeleport(IslandDev.java:626)
at pl.islandworld.commands.IslandDev.onCommand(IslandDev.java:220)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
... 15 more