[17:39:44] [Server thread/ERROR]: Could not pass event BlockBreakEvent to ArchonCrates v17.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at net.minecraft.server.v1_8_R3.PlayerInteractManager.breakBlock(PlayerInteractManager.java:286) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at net.minecraft.server.v1_8_R3.PlayerInteractManager.a(PlayerInteractManager.java:215) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:637) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at net.minecraft.server.v1_8_R3.PacketPlayInBlockDig.a(SourceFile:40) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at net.minecraft.server.v1_8_R3.PacketPlayInBlockDig.a(SourceFile:10) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_60]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_60]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:715) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:654) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:557) [Spigot.jar:git-Spigot-5f38d38-18fbb24]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_60]
Caused by: java.lang.NullPointerException
	at com.HamiStudios.ArchonCrates.API.Objects.BuySign.isSign(BuySign.java:131) ~[?:?]
	at com.HamiStudios.ArchonCrates.Events.SignBreak.onSignBreak(SignBreak.java:26) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor862.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_60]
	at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_60]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[Spigot.jar:git-Spigot-5f38d38-18fbb24]
	... 17 more