[17:57:18 WARN]: java.lang.NullPointerException
[17:57:18 WARN]:        at com.puzlinc.schematicshop.Events.onBlockPlace(Events.java:138)
[17:57:18 WARN]:        at sun.reflect.GeneratedMethodAccessor106.invoke(Unknown Source)
[17:57:18 WARN]:        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
[17:57:18 WARN]:        at java.lang.reflect.Method.invoke(Unknown Source)
[17:57:18 WARN]:        at us.Myles.PWP.TransparentListeners.PerWorldPluginLoader$1.execute(PerWorldPluginLoader.java:120)
[17:57:18 WARN]:        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
[17:57:18 WARN]:        at us.Myles.PWP.TransparentListeners.PWPRegisteredListener.callEvent(PWPRegisteredListener.java:30)
[17:57:18 WARN]:        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502)
[17:57:18 WARN]:        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487)
[17:57:18 WARN]:        at org.bukkit.craftbukkit.v1_8_R2.event.CraftEventFactory.callBlockPlaceEvent(CraftEventFactory.java:125)
[17:57:18 WARN]:        at net.minecraft.server.v1_8_R2.ItemStack.placeItem(ItemStack.java:157)
[17:57:18 WARN]:        at net.minecraft.server.v1_8_R2.PlayerInteractManager.interact(PlayerInteractManager.java:503)
[17:57:18 WARN]:        at net.minecraft.server.v1_8_R2.PlayerConnection.a(PlayerConnection.java:739)
[17:57:18 WARN]:        at net.minecraft.server.v1_8_R2.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:52)
[17:57:18 WARN]:        at net.minecraft.server.v1_8_R2.PacketPlayInBlockPlace.a(PacketPlayInBlockPlace.java:1)
[17:57:18 WARN]:        at net.minecraft.server.v1_8_R2.PlayerConnectionUtils$1.run(SourceFile:13)
[17:57:18 WARN]:        at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
[17:57:18 WARN]:        at java.util.concurrent.FutureTask.run(Unknown Source)
[17:57:18 WARN]:        at net.minecraft.server.v1_8_R2.SystemUtils.a(SourceFile:60)
[17:57:18 WARN]:        at net.minecraft.server.v1_8_R2.MinecraftServer.A(MinecraftServer.java:710)
[17:57:18 WARN]:        at net.minecraft.server.v1_8_R2.DedicatedServer.A(DedicatedServer.java:368)
[17:57:18 WARN]:        at net.minecraft.server.v1_8_R2.MinecraftServer.z(MinecraftServer.java:651)
[17:57:18 WARN]:        at net.minecraft.server.v1_8_R2.MinecraftServer.run(MinecraftServer.java:554)
[17:57:18 WARN]:        at java.lang.Thread.run(Unknown Source)