[Server thread/ERROR]: Could not pass event BlockPlaceEvent to WorldMaquinas v1.0
org.bukkit.event.EventException
	at com.massivecraft.massivelag.inject.event.MassiveLagEventExecutor.execute(MassiveLagEventExecutor.java:80) ~[?:?]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:501) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:486) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at org.bukkit.craftbukkit.v1_8_R3.event.CraftEventFactory.callBlockPlaceEvent(CraftEventFactory.java:127) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at net.minecraft.server.v1_8_R3.ItemStack.placeItem(ItemStack.java:160) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at net.minecraft.server.v1_8_R3.PlayerInteractManager.interact(PlayerInteractManager.java:503) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:763) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at net.minecraft.server.v1_8_R3.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:52) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at net.minecraft.server.v1_8_R3.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:1) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_131]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_131]
	at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:774) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:378) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:713) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:616) [PaperSpigot-1.8.8.jar:git-PaperSpigot-"8b18730"]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]
Caused by: java.lang.NullPointerException
	at com.worldpvp.supermaquinas.listeners.MaquinaListener.onPlace(MaquinaListener.java:69) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor385.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_131]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_131]
	at com.massivecraft.massivelag.inject.event.MassiveLagEventExecutor.execute(MassiveLagEventExecutor.java:70) ~[?:?]
	... 18 more