[11:50:19] [Server thread/ERROR]: Could not pass event BlockBreakEvent to MCWG-Drops v1.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:299) ~[MCWG-Spigot.jar:git-Spigot-1542]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[MCWG-Spigot.jar:git-Spigot-1542]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [MCWG-Spigot.jar:git-Spigot-1542]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.PlayerInteractManager.breakBlock(PlayerInteractManager.java:264) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.PlayerInteractManager.a(PlayerInteractManager.java:78) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.EntityPlayer.h(EntityPlayer.java:185) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.World.entityJoinedWorld(World.java:1602) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.World.playerJoinedWorld(World.java:1577) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.World.tickEntities(World.java:1442) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.WorldServer.tickEntities(WorldServer.java:516) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:703) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:284) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:584) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:490) [MCWG-Spigot.jar:git-Spigot-1542]
	at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [MCWG-Spigot.jar:git-Spigot-1542]
Caused by: java.lang.IllegalArgumentException: Wrong kind of data for this effect!
	at org.apache.commons.lang.Validate.isTrue(Validate.java:136) ~[MCWG-Spigot.jar:git-Spigot-1542]
	at org.bukkit.craftbukkit.v1_7_R3.CraftWorld.playEffect(CraftWorld.java:808) ~[MCWG-Spigot.jar:git-Spigot-1542]
	at org.bukkit.craftbukkit.v1_7_R3.CraftWorld.playEffect(CraftWorld.java:803) ~[MCWG-Spigot.jar:git-Spigot-1542]
	at pl.mcwg.drops.AppleDropListener.onBlockBreak(AppleDropListener.java:96) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor86.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_55]
	at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_55]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:296) ~[MCWG-Spigot.jar:git-Spigot-1542]
	... 15 more