[04:21:09 ERROR]: Could not pass event PlayerBucketEmptyEvent to PvPManager v2.4.4.2
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot.jar:git-Spigot-1627]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-1627]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-1627]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-1627]
at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.getPlayerBucketEvent(CraftEventFactory.java:200) [spigot.jar:git-Spigot-1627]
at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.callPlayerBucketEmptyEvent(CraftEventFactory.java:173) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.ItemBucket.a(ItemBucket.java:111) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.ItemStack.a(ItemStack.java:186) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.PlayerInteractManager.useItem(PlayerInteractManager.java:329) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.PlayerInteractManager.interact(PlayerInteractManager.java:402) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:662) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.PacketPlayInBlockPlace.a(SourceFile:60) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.PacketPlayInBlockPlace.handle(SourceFile:9) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:184) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:734) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [spigot.jar:git-Spigot-1627]
at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [spigot.jar:git-Spigot-1627]
Caused by: java.lang.NullPointerException
at me.NoChance.PvPManager.Listeners.PlayerListener.onBucketEmpty(PlayerListener.java:180) ~[?:?]
at sun.reflect.GeneratedMethodAccessor664.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_55]
at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_55]