2012-01-01 17:37:00 [SEVERE] Could not pass event PLAYER_INTERACT to MobRider
java.lang.NullPointerException
  at com.edwardhand.mobrider.models.Ride.<init>(Ride.java:45)
  at com.edwardhand.mobrider.utils.MRHandler.getRide(MRHandler.java:39)
  at com.edwardhand.mobrider.listeners.RiderPlayerListener.onPlayerInteract(RiderPlayerListener.java:77)
  at org.bukkit.plugin.java.JavaPluginLoader$11.execute(JavaPluginLoader.java:338)
  at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
  at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:339)
  at org.bukkit.craftbukkit.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:178)
  at net.minecraft.server.ItemInWorldManager.interact(ItemInWorldManager.java:266)
  at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:593)
  at net.minecraft.server.Packet15Place.a(SourceFile:39)
  at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
  at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:93)
  at org.getspout.spout.SpoutNetServerHandler.a(SpoutNetServerHandler.java:586)
  at net.minecraft.server.NetworkListenThread.a(SourceFile:108)
  at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:527)
  at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:425)
  at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)