[20:32:57] [Server thread/ERROR]: Could not pass event PlayerDropItemEvent to ArmyCase v1.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:78) ~[Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at net.minecraft.server.v1_8_R3.EntityHuman.a(EntityHuman.java:602) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at net.minecraft.server.v1_8_R3.EntityHuman.a(EntityHuman.java:555) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:595) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at net.minecraft.server.v1_8_R3.PacketPlayInBlockDig.a(SourceFile:40) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at net.minecraft.server.v1_8_R3.PacketPlayInBlockDig.a(SourceFile:10) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_111]
	at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_111]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:773) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [Spigot.jar:git-PaperSpigot-83b7006-039621d]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_111]
Caused by: java.lang.NullPointerException
	at me.dudoz.FixDrop.onPlayerDropKey(FixDrop.java:16) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_111]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_111]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_111]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_111]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:300) ~[Spigot.jar:git-PaperSpigot-83b7006-039621d]
	... 18 more