Bukkit

I use your plugin for minecraft 1.7.9 and i have one error in the consol and in can't play with your plugin. This is the error :

[12:06:30 ERROR]: Could not pass event PlayerInteractEvent to Quake v2.4.1
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:294) ~[craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:216) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:186) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.PlayerConnection.a(PlayerConnection.java:605) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.PacketPlayInBlockPlace.a(SourceFile:60) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.PacketPlayInBlockPlace.handle(SourceFile:9) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.NetworkManager.a(NetworkManager.java:157) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.ServerConnection.c(SourceFile:134) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:667) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:260) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:558) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:469) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
Caused by: java.lang.IllegalArgumentException: Cannot measure distance between Quake_ and Quake
at org.bukkit.Location.distanceSquared(Location.java:448) ~[craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at com.Geekpower14.Quake.Stuff.Item.ItemBasic.getTargetV3(ItemBasic.java:237) ~[?:?]
at com.Geekpower14.Quake.Stuff.Item.ItemBasic.BasicShot(ItemBasic.java:157) ~[?:?]
at com.Geekpower14.Quake.Stuff.Item.WoodenHoe.shot(WoodenHoe.java:73) ~[?:?]
at com.Geekpower14.Quake.Stuff.Item.ItemBasic.onPlayerInteract(ItemBasic.java:401) ~[?:?]
at sun.reflect.GeneratedMethodAccessor68.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_25]
at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_25]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:292) ~[craftbukkit_vgbin.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
... 15 more

Sorry for my english, I french :)