[13:19:31 ERROR]: Could not pass event InventoryCreativeEvent to Banned_Items v1.0
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigot110.jar:git-Spigot-c3e4052-1953f52]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot110.jar:git-Spigot-c3e4052-1953f52]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot110.jar:git-Spigot-c3e4052-1953f52]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot110.jar:git-Spigot-c3e4052-1953f52]
        at net.minecraft.server.v1_10_R1.PlayerConnection.a(PlayerConnection.java:2001) [spigot110.jar:git-Spigot-c3e4052-1953f52]
        at net.minecraft.server.v1_10_R1.PacketPlayInSetCreativeSlot.a(SourceFile:23) [spigot110.jar:git-Spigot-c3e4052-1953f52]
        at net.minecraft.server.v1_10_R1.PacketPlayInSetCreativeSlot.a(SourceFile:9) [spigot110.jar:git-Spigot-c3e4052-1953f52]
        at net.minecraft.server.v1_10_R1.PlayerConnectionUtils$1.run(SourceFile:13) [spigot110.jar:git-Spigot-c3e4052-1953f52]
        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_73]
        at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_73]
        at net.minecraft.server.v1_10_R1.SystemUtils.a(SourceFile:45) [spigot110.jar:git-Spigot-c3e4052-1953f52]
        at net.minecraft.server.v1_10_R1.MinecraftServer.D(MinecraftServer.java:733) [spigot110.jar:git-Spigot-c3e4052-1953f52]
        at net.minecraft.server.v1_10_R1.DedicatedServer.D(DedicatedServer.java:399) [spigot110.jar:git-Spigot-c3e4052-1953f52]
        at net.minecraft.server.v1_10_R1.MinecraftServer.C(MinecraftServer.java:672) [spigot110.jar:git-Spigot-c3e4052-1953f52]
        at net.minecraft.server.v1_10_R1.MinecraftServer.run(MinecraftServer.java:571) [spigot110.jar:git-Spigot-c3e4052-1953f52]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_73]
Caused by: java.lang.NullPointerException
        at me.Camaloony.TKRPG.BannedItems.InventoryScanner.onInventoryClickBoots(InventoryScanner.java:93) ~[?:?]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_73]
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_73]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_73]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_73]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot110.jar:git-Spigot-c3e4052-1953f52]
        ... 15 more