[05:25:55] [Server thread/ERROR]: Could not pass event BlockPlaceEvent to CratesPlus v1.2
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[craftbukkit.jar:git-Spigot-1649]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Spigot-1649]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:514) [craftbukkit.jar:git-Spigot-1649]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:499) [craftbukkit.jar:git-Spigot-1649]
	at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.callBlockPlaceEvent(CraftEventFactory.java:148) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.ItemStack.placeItem(ItemStack.java:142) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.PlayerInteractManager.interact(PlayerInteractManager.java:398) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:662) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:50) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.PacketPlayInBlockPlace.handle(PacketPlayInBlockPlace.java:86) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:186) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:734) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [craftbukkit.jar:git-Spigot-1649]
	at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [craftbukkit.jar:git-Spigot-1649]
Caused by: java.lang.NoSuchFieldError: ARMOR_STAND
	at com.connorlinfoot.cratesplus.Listeners.BlockListeners.onBlockPlace(BlockListeners.java:34) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_31]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_31]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_31]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_31]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:298) ~[craftbukkit.jar:git-Spigot-1649]
	... 16 more