[02:15:14] [Server thread/ERROR]: Could not pass event InventoryOpenEvent to IslandWorld v3.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:320) ~[SkyBlock.jar:git-Spigot-1243]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[SkyBlock.jar:git-Spigot-1243]
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) ~[SkyBlock.jar:git-Spigot-1243]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:482) [SkyBlock.jar:git-Spigot-1243]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:467) [SkyBlock.jar:git-Spigot-1243]
	at org.bukkit.craftbukkit.v1_7_R1.event.CraftEventFactory.callInventoryOpenEvent(CraftEventFactory.java:589) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.EntityPlayer.openContainer(EntityPlayer.java:631) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.BlockChest.interact(SourceFile:243) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.PlayerInteractManager.interact(PlayerInteractManager.java:384) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:629) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.PacketPlayInBlockPlace.a(SourceFile:60) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.PacketPlayInBlockPlace.handle(SourceFile:9) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:147) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:678) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:273) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:540) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:446) [SkyBlock.jar:git-Spigot-1243]
	at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [SkyBlock.jar:git-Spigot-1243]
Caused by: java.lang.ClassCastException: org.bukkit.block.DoubleChest cannot be cast to org.bukkit.block.Chest
	at pl.islandworld.listeners.IslandProtectionListeners.onInventoryOpenEvent(IslandProtectionListeners.java:116) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_45]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) ~[?:1.7.0_45]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.7.0_45]
	at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_45]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:318) ~[SkyBlock.jar:git-Spigot-1243]
	... 18 more