15:46:04 [SEVERE] Could not pass event PlayerMoveEvent to BuildersPlot
org.bukkit.event.EventException

        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:303)

        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)

        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:459)

        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:209)

        at net.minecraft.server.Packet10Flying.handle(SourceFile:126)

        at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)

        at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113)

        at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)

        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:554)

        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:452)

        at net.minecraft.server.ThreadServerApplication.run(SourceFile:490)

Caused by: java.lang.NullPointerException

        at me.firefly.BuildersPlot.BuildersPlot.onPlayerMove(BuildersPlot.java:124)

        at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

        at java.lang.reflect.Method.invoke(Unknown Source)

        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301)

        ... 10 more