[17:01:49 ERROR]: Could not pass event PlayerBucketEmptyEvent to OPGenBuckets v0.0.1
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:74) ~[Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:517) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:502) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.getPlayerBucketEvent(CraftEventFactory.java:179) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callPlayerBucketEmptyEvent(CraftEventFactory.java:152) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at net.minecraft.server.v1_8_R3.ItemBucket.a(ItemBucket.java:89) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at net.minecraft.server.v1_8_R3.ItemStack.a(ItemStack.java:236) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at net.minecraft.server.v1_8_R3.PlayerInteractManager.useItem(PlayerInteractManager.java:371) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:734) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at net.minecraft.server.v1_8_R3.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:52) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at net.minecraft.server.v1_8_R3.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:1) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_91]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_91]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:774) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:381) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [Desteria.jar:git-PaperSpigot-"b9d6e73"]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_91]
Caused by: java.lang.NullPointerException
        at com.desteria.DGenBuckets.PlayerListener.PlayerInteract(PlayerListener.java:74) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_91]
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_91]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_91]
        at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_91]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[Desteria.jar:git-PaperSpigot-"b9d6e73"]
        ... 21 more