full guns+ error

2013-03-23 19:46:27 [INFO] Could not execute Key Press Delegate of plugin [GunsPlus] for action [Fire]!
2013-03-23 19:46:27 [SEVERE] java.lang.ClassCastException: java.lang.Double cannot be cast to java.lang.Integer
2013-03-23 19:46:27 [SEVERE] 	at team.GunsPlus.Util.GunUtils.getTargets(GunUtils.java:109)
2013-03-23 19:46:27 [SEVERE] 	at team.GunsPlus.GunsPlusPlayer.fire(GunsPlusPlayer.java:168)
2013-03-23 19:46:27 [SEVERE] 	at team.GunsPlus.FireBinding.keyPressed(FireBinding.java:37)
2013-03-23 19:46:27 [SEVERE] 	at org.getspout.spout.keyboard.SimpleKeyBindingManager.summonKey(SimpleKeyBindingManager.java:72)
2013-03-23 19:46:27 [SEVERE] 	at org.getspout.spoutapi.packet.PacketKeyBinding.run(PacketKeyBinding.java:66)
2013-03-23 19:46:27 [SEVERE] 	at org.getspout.spout.packet.CustomPacket.handle(CustomPacket.java:139)
2013-03-23 19:46:27 [SEVERE] 	at net.minecraft.server.v1_4_R1.NetworkManager.b(NetworkManager.java:290)
2013-03-23 19:46:27 [SEVERE] 	at net.minecraft.server.v1_4_R1.PlayerConnection.d(PlayerConnection.java:113)
2013-03-23 19:46:27 [SEVERE] 	at org.getspout.spout.SpoutPlayerConnection.d(SpoutPlayerConnection.java:196)
2013-03-23 19:46:27 [SEVERE] 	at net.minecraft.server.v1_4_R1.ServerConnection.b(SourceFile:39)
2013-03-23 19:46:27 [SEVERE] 	at net.minecraft.server.v1_4_R1.DedicatedServerConnection.b(SourceFile:30)
2013-03-23 19:46:27 [SEVERE] 	at net.minecraft.server.v1_4_R1.MinecraftServer.r(MinecraftServer.java:598)
2013-03-23 19:46:27 [SEVERE] 	at net.minecraft.server.v1_4_R1.DedicatedServer.r(DedicatedServer.java:224)
2013-03-23 19:46:27 [SEVERE] 	at net.minecraft.server.v1_4_R1.MinecraftServer.q(MinecraftServer.java:494)
2013-03-23 19:46:27 [SEVERE] 	at net.minecraft.server.v1_4_R1.MinecraftServer.run(MinecraftServer.java:427)
2013-03-23 19:46:27 [SEVERE] 	at net.minecraft.server.v1_4_R1.ThreadServerApplication.run(SourceFile:849)