[06:46:28] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to VariableTriggers v1.3.3
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:294) ~[spigot-lobby.jar:git-Spigot-1495]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-lobby.jar:git-Spigot-1495]
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:47) ~[spigot-lobby.jar:git-Spigot-1495]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-lobby.jar:git-Spigot-1495]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-lobby.jar:git-Spigot-1495]
	at org.bukkit.craftbukkit.v1_7_R3.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:233) [spigot-lobby.jar:git-Spigot-1495]
	at org.bukkit.craftbukkit.v1_7_R3.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:203) [spigot-lobby.jar:git-Spigot-1495]
	at net.minecraft.server.v1_7_R3.PlayerConnection.a(PlayerConnection.java:1038) [spigot-lobby.jar:git-Spigot-1495]
	at net.minecraft.server.v1_7_R3.PacketPlayInArmAnimation.a(SourceFile:43) [spigot-lobby.jar:git-Spigot-1495]
	at net.minecraft.server.v1_7_R3.PacketPlayInArmAnimation.handle(SourceFile:9) [spigot-lobby.jar:git-Spigot-1495]
	at net.minecraft.server.v1_7_R3.NetworkManager.a(NetworkManager.java:180) [spigot-lobby.jar:git-Spigot-1495]
	at net.minecraft.server.v1_7_R3.ServerConnection.c(ServerConnection.java:81) [spigot-lobby.jar:git-Spigot-1495]
	at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:720) [spigot-lobby.jar:git-Spigot-1495]
	at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:283) [spigot-lobby.jar:git-Spigot-1495]
	at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:583) [spigot-lobby.jar:git-Spigot-1495]
	at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:489) [spigot-lobby.jar:git-Spigot-1495]
	at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [spigot-lobby.jar:git-Spigot-1495]
Caused by: java.lang.NullPointerException
	at com.wizardscraft.Listener_base.Listener_onEvent.onLeftClick(Listener_onEvent.java:316) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_60]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_60]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_60]
	at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_60]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:292) ~[spigot-lobby.jar:git-Spigot-1495]
	... 16 more