[11:22:49] [Server thread/ERROR]: Could not pass event HangingPlaceEvent to Prism v2.0.6-${env.BUILD_NUMBER}
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:305) ~[spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at net.minecraft.server.v1_8_R2.ItemLeash.a(ItemLeash.java:48) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at net.minecraft.server.v1_8_R2.BlockFence.interact(SourceFile:149) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at net.minecraft.server.v1_8_R2.PlayerInteractManager.interact(PlayerInteractManager.java:496) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at net.minecraft.server.v1_8_R2.PlayerConnection.a(PlayerConnection.java:740) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at net.minecraft.server.v1_8_R2.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:52) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at net.minecraft.server.v1_8_R2.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:1) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at net.minecraft.server.v1_8_R2.PlayerConnectionUtils$1.run(SourceFile:13) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_60]
    at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_60]
    at net.minecraft.server.v1_8_R2.SystemUtils.a(SourceFile:60) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at net.minecraft.server.v1_8_R2.MinecraftServer.A(MinecraftServer.java:712) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at net.minecraft.server.v1_8_R2.DedicatedServer.A(DedicatedServer.java:368) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at net.minecraft.server.v1_8_R2.MinecraftServer.z(MinecraftServer.java:651) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:554) [spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at java.lang.Thread.run(Thread.java:745) [?:1.8.0_60]
Caused by: java.lang.NullPointerException
    at org.bukkit.craftbukkit.v1_8_R2.entity.CraftHanging.getFacing(CraftHanging.java:52) ~[spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at org.bukkit.craftbukkit.v1_8_R2.entity.CraftHanging.getAttachedFace(CraftHanging.java:18) ~[spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    at me.botsko.prism.actions.HangingItemAction.setHanging(HangingItemAction.java:37) ~[?:?]
    at me.botsko.prism.actionlibs.ActionFactory.createHangingItem(ActionFactory.java:169) ~[?:?]
    at me.botsko.prism.listeners.PrismEntityEvents.onHangingPlaceEvent(PrismEntityEvents.java:397) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_60]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_60]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_60]
    at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_60]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) ~[spigot-1.8.3.b45.jar:git-Spigot-870264a-0a645a2]
    ... 18 more