Console	: [12:09:53 ERROR]: Could not pass event InventoryClickEvent to ServerShop-GUI v1.4.1
Console	: org.bukkit.event.EventException
Console	: 	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427) ~[spigot.jar:git-Spigot-1225]
Console	: 	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-1225]
Console	: 	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) ~[spigot.jar:git-Spigot-1225]
Console	: 	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:482) [spigot.jar:git-Spigot-1225]
Console	: 	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:467) [spigot.jar:git-Spigot-1225]
Console	: 	at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:1369) [spigot.jar:git-Spigot-1225]
Console	: 	at net.minecraft.server.v1_7_R1.PacketPlayInWindowClick.a(SourceFile:32) [spigot.jar:git-Spigot-1225]
Console	: 	at net.minecraft.server.v1_7_R1.PacketPlayInWindowClick.handle(SourceFile:10) [spigot.jar:git-Spigot-1225]
Console	: 	at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:147) [spigot.jar:git-Spigot-1225]
Console	: 	at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [spigot.jar:git-Spigot-1225]
Console	: 	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:657) [spigot.jar:git-Spigot-1225]
Console	: 	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:273) [spigot.jar:git-Spigot-1225]
Console	: 	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:540) [spigot.jar:git-Spigot-1225]
Console	: 	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:446) [spigot.jar:git-Spigot-1225]
Console	: 	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [spigot.jar:git-Spigot-1225]
Console	: Caused by: java.lang.NullPointerException
Console	: 	at com.avalon.servershop.InventoryClick.ShopClickEvent(InventoryClick.java:58) ~[?:?]
Console	: 	at sun.reflect.GeneratedMethodAccessor228.invoke(Unknown Source) ~[?:?]
Console	: 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0]
Console	: 	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0]
Console	: 	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425) ~[spigot.jar:git-Spigot-1225]
Console	: 	... 14 more