Voxelight place error

This is an error I'm having with VoxelightPlace. I posted about this on the forum, found here:

http://www.spigotmc.org/threads/voxelightplace.42876/

[13:25:19 ERROR]: Could not pass event BlockPlaceEvent to Voxelight-Place v1.1.5

org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:305) ~[spigot.jar:git-Spigot-e497721-a1ce164]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62) ~[spigot.jar:git-Spigot-e497721-a1ce164]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:502) [spigot.jar:git-Spigot-e497721-a1ce164]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:487) [spigot.jar:git-Spigot-e497721-a1ce164]
        at org.bukkit.craftbukkit.v1_8_R1.event.CraftEventFactory.callBlockPlace
Event(CraftEventFactory.java:125) [spigot.jar:git-Spigot-e497721-a1ce164]
        at net.minecraft.server.v1_8_R1.ItemStack.placeItem(ItemStack.java:154)
[spigot.jar:git-Spigot-e497721-a1ce164]
        at net.minecraft.server.v1_8_R1.PlayerInteractManager.interact(PlayerInt
eractManager.java:503) [spigot.jar:git-Spigot-e497721-a1ce164]
        at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java
:724) [spigot.jar:git-Spigot-e497721-a1ce164]
        at net.minecraft.server.v1_8_R1.PacketPlayInBlockPlace.a(PacketPlayInBlo
ckPlace.java:50) [spigot.jar:git-Spigot-e497721-a1ce164]
        at net.minecraft.server.v1_8_R1.PacketPlayInBlockPlace.a(PacketPlayInBlo
ckPlace.java:80) [spigot.jar:git-Spigot-e497721-a1ce164]
        at net.minecraft.server.v1_8_R1.PacketHandleTask.run(SourceFile:13) [spi
got.jar:git-Spigot-e497721-a1ce164]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:47
1) [?:1.7.0_72]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) [?:1.7.0_72]

        at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:6
83) [spigot.jar:git-Spigot-e497721-a1ce164]
        at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:3
16) [spigot.jar:git-Spigot-e497721-a1ce164]
        at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:6
23) [spigot.jar:git-Spigot-e497721-a1ce164]
        at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java
:526) [spigot.jar:git-Spigot-e497721-a1ce164]
        at java.lang.Thread.run(Thread.java:745) [?:1.7.0_72]
Caused by: java.lang.NullPointerException
        at com.voxelight.place.eventListener.onPlace(eventListener.java:19) ~[?:
?]
        at sun.reflect.GeneratedMethodAccessor146.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:43) ~[?:1.7.0_72]
        at java.lang.reflect.Method.invoke(Method.java:606) ~[?:1.7.0_72]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:301) ~[spigot.jar:git-Spigot-e497721-a1ce164]
        ... 17 more