[20:40:01] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to InactiveLockette v2.03
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[spigot.jar:git-Spigot-1322]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-1322]
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) ~[spigot.jar:git-Spigot-1322]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-1322]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:472) [spigot.jar:git-Spigot-1322]
	at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:212) [spigot.jar:git-Spigot-1322]
	at net.minecraft.server.v1_7_R1.PlayerInteractManager.dig(PlayerInteractManager.java:103) [spigot.jar:git-Spigot-1322]
	at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:536) [spigot.jar:git-Spigot-1322]
	at net.minecraft.server.v1_7_R1.PacketPlayInBlockDig.a(SourceFile:53) [spigot.jar:git-Spigot-1322]
	at net.minecraft.server.v1_7_R1.PacketPlayInBlockDig.handle(SourceFile:8) [spigot.jar:git-Spigot-1322]
	at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:147) [spigot.jar:git-Spigot-1322]
	at net.minecraft.server.v1_7_R1.ServerConnection.c(ServerConnection.java:77) [spigot.jar:git-Spigot-1322]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:700) [spigot.jar:git-Spigot-1322]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:273) [spigot.jar:git-Spigot-1322]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:562) [spigot.jar:git-Spigot-1322]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:469) [spigot.jar:git-Spigot-1322]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1322]
Caused by: java.lang.NullPointerException
	at gvlfm78.plugin.InactiveLockette.InactiveLocketteListener.signHasPrivate(InactiveLocketteListener.java:316) ~[?:?]
	at gvlfm78.plugin.InactiveLockette.InactiveLocketteListener.onWallSignClick(InactiveLocketteListener.java:79) ~[?:?]
	at gvlfm78.plugin.InactiveLockette.InactiveLocketteListener.onLeftClick(InactiveLocketteListener.java:63) ~[?:?]
	at gvlfm78.plugin.InactiveLockette.InactiveLocketteListener.onPlayerInteract(InactiveLocketteListener.java:51) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_51]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_51]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_51]
	at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_51]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:318) ~[spigot.jar:git-Spigot-1322]
	... 16 more