4:03:20  [Server thread/ERROR]: **** THIS IS NOT AN ISSUE TO DO WITH PER WORLD PLUGINS ****
14:03:20 Could not pass event BlockDamageEvent to PopulationDensity v4.3.1
14:03:20 org.bukkit.event.EventException
14:03:20 at us.Myles.PWP.TransparentListeners.PerWorldPluginLoader$1.execute(PerWorldPluginLoader.java:122) ~[?:?]
14:03:20 at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:36) ~[craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at us.Myles.PWP.TransparentListeners.PWPTimedRegisteredListener.callEvent(PWPTimedRegisteredListener.java:30) [PerWorldPlugins.jar:?]
14:03:20 at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:509) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:494) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at org.bukkit.craftbukkit.v1_8_R1.event.CraftEventFactory.callBlockDamageEvent(CraftEventFactory.java:262) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at net.minecraft.server.v1_8_R1.PlayerInteractManager.a(PlayerInteractManager.java:175) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at net.minecraft.server.v1_8_R1.PlayerConnection.a(PlayerConnection.java:587) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at net.minecraft.server.v1_8_R1.PacketPlayInBlockDig.a(SourceFile:40) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at net.minecraft.server.v1_8_R1.PacketPlayInBlockDig.a(SourceFile:10) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at net.minecraft.server.v1_8_R1.PacketHandleTask.run(SourceFile:13) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_05]
14:03:20 at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_05]
14:03:20 at net.minecraft.server.v1_8_R1.MinecraftServer.z(MinecraftServer.java:686) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:316) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:627) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:530) [craftbukkit.jar:git-Spigot-"211a4c7"]
14:03:20 at java.lang.Thread.run(Thread.java:745) [?:1.8.0_05]
14:03:20 Caused by: java.lang.NullPointerException
14:03:20 at me.ryanhamshire.PopulationDensity.PopulationDensity.getRegionCenter(PopulationDensity.java:812) ~[?:?]
14:03:20 at me.ryanhamshire.PopulationDensity.BlockEventHandler.nearRegionPost(BlockEventHandler.java:147) ~[?:?]
14:03:20 at me.ryanhamshire.PopulationDensity.BlockEventHandler.onBlockDamage(BlockEventHandler.java:139) ~[?:?]
14:03:20 at sun.reflect.GeneratedMethodAccessor254.invoke(Unknown Source) ~[?:?]
14:03:20 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_05]
14:03:20 at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_05]
14:03:20 at us.Myles.PWP.TransparentListeners.PerWorldPluginLoader$1.execute(PerWorldPluginLoader.java:120) ~[?:?]
14:03:20 ... 18 more