hypererroragain

[07:40:19] [Server thread/ERROR]: Could not pass event ChunkLoadEvent to HyperConomy v0.975.2
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:305) ~[spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.craftbukkit.v1_8_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:50) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.craftbukkit.v1_8_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:1) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.craftbukkit.v1_8_R1.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:337) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.craftbukkit.v1_8_R1.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:295) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.craftbukkit.v1_8_R1.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:16) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at net.minecraft.server.v1_8_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:113) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at net.minecraft.server.v1_8_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:95) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.craftbukkit.v1_8_R1.CraftWorld.getChunkAt(CraftWorld.java:124) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.craftbukkit.v1_8_R1.CraftWorld.getChunkAt(CraftWorld.java:545) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.Location.getChunk(Location.java:77) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at regalowl.hyperconomy.bukkit.BukkitConnector.isLoaded(BukkitConnector.java:314) [HyperConomy.jar:?]
	at regalowl.hyperconomy.minecraft.HBlock.isLoaded(HBlock.java:48) [HyperConomy.jar:?]
	at regalowl.hyperconomy.display.ItemDisplay.makeDisplay(ItemDisplay.java:110) [HyperConomy.jar:?]
	at regalowl.hyperconomy.display.ItemDisplayHandler$1$1.run(ItemDisplayHandler.java:73) [HyperConomy.jar:?]
	at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftTask.run(CraftTask.java:71) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at org.bukkit.craftbukkit.v1_8_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:350) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:694) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:623) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:526) [spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	at java.lang.Thread.run(Unknown Source) [?:1.7.0_71]
Caused by: java.lang.NullPointerException
	at regalowl.hyperconomy.bukkit.BukkitCommon.getItem(BukkitCommon.java:597) ~[?:?]
	at regalowl.hyperconomy.bukkit.BukkitConnector.clearNearbyNonDisplayItems(BukkitConnector.java:702) ~[?:?]
	at regalowl.hyperconomy.display.ItemDisplay.clearNearbyItems(ItemDisplay.java:187) ~[?:?]
	at regalowl.hyperconomy.display.ItemDisplay.removeItem(ItemDisplay.java:129) ~[?:?]
	at regalowl.hyperconomy.display.ItemDisplay.refresh(ItemDisplay.java:118) ~[?:?]
	at regalowl.hyperconomy.bukkit.BukkitListener.onItemDisplayLoad(BukkitListener.java:229) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_71]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_71]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_71]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_71]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) ~[spigot-1.8.jar:git-Spigot-e497721-a1ce164]
	... 24 more