[06:41:05] [Server thread/ERROR]: Could not pass event CurrencyCheckEvent to ChestShop v3.7.18
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:305) ~[spigot.jar:git-Spigot-e497721-96d09e3]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-e497721-96d09e3]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-e497721-96d09e3]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-e497721-96d09e3]
	at com.Acrobot.ChestShop.ChestShop.callEvent(ChestShop.java:452) [ChestShop.jar:?]
	at com.Acrobot.ChestShop.Listeners.PreTransaction.PartialTransactionModule.onPreBuyTransaction(PartialTransactionModule.java:50) [ChestShop.jar:?]
	at sun.reflect.GeneratedMethodAccessor424.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]
	at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) [spigot.jar:git-Spigot-e497721-96d09e3]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) [spigot.jar:git-Spigot-e497721-96d09e3]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-e497721-96d09e3]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-e497721-96d09e3]
	at com.Acrobot.ChestShop.Listeners.Player.PlayerInteract.onInteract(PlayerInteract.java:104) [ChestShop.jar:?]
	at sun.reflect.GeneratedMethodAccessor281.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]
	at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) [spigot.jar:git-Spigot-e497721-96d09e3]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) [spigot.jar:git-Spigot-e497721-96d09e3]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-e497721-96d09e3]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-e497721-96d09e3]
	at org.bukkit.craftbukkit.v1_8_R1.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:226) [spigot.jar:git-Spigot-e497721-96d09e3]
	at net.minecraft.server.v1_8_R1.PlayerInteractManager.interact(PlayerInteractManager.java:463) [spigot.jar:git-Spigot-e497721-96d09e3]
	at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java:724) [spigot.jar:git-Spigot-e497721-96d09e3]
	at net.minecraft.server.v1_8_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:50) [spigot.jar:git-Spigot-e497721-96d09e3]
	at net.minecraft.server.v1_8_R1.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:80) [spigot.jar:git-Spigot-e497721-96d09e3]
	at net.minecraft.server.v1_8_R1.PacketHandleTask.run(SourceFile:13) [spigot.jar:git-Spigot-e497721-96d09e3]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_25]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_25]
	at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:683) [spigot.jar:git-Spigot-e497721-96d09e3]
	at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316) [spigot.jar:git-Spigot-e497721-96d09e3]
	at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:623) [spigot.jar:git-Spigot-e497721-96d09e3]
	at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:526) [spigot.jar:git-Spigot-e497721-96d09e3]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_25]
Caused by: java.lang.NullPointerException
	at net.milkbowl.vault.economy.plugins.Economy_Craftconomy3.has(Economy_Craftconomy3.java:292) ~[?:?]
	at net.milkbowl.vault.economy.AbstractEconomy.has(AbstractEconomy.java:35) ~[?:?]
	at com.Acrobot.ChestShop.Listeners.Economy.Plugins.VaultListener.onCurrencyCheck(VaultListener.java:80) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor657.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_25]
	at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_25]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:301) ~[spigot.jar:git-Spigot-e497721-96d09e3]
	... 33 more