2012-12-30 11:22:49 [SEVERE] Could not pass event PlayerPortalEvent to BloodMoon v0.20.2
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:427)
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:477)
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:462)
at net.minecraft.server.v1_4_6.PlayerList.changeDimension(PlayerList.java:477)
at net.minecraft.server.v1_4_6.EntityPlayer.b(EntityPlayer.java:339)
at net.minecraft.server.v1_4_6.Entity.y(Entity.java:272)
at net.minecraft.server.v1_4_6.EntityLiving.y(EntityLiving.java:310)
at net.minecraft.server.v1_4_6.Entity.j_(Entity.java:237)
at net.minecraft.server.v1_4_6.EntityLiving.j_(EntityLiving.java:508)
at net.minecraft.server.v1_4_6.EntityHuman.j_(EntityHuman.java:156)
at net.minecraft.server.v1_4_6.EntityPlayer.g(EntityPlayer.java:194)
at net.minecraft.server.v1_4_6.PlayerConnection.a(PlayerConnection.java:351)
at net.minecraft.server.v1_4_6.Packet10Flying.handle(SourceFile:136)
at net.minecraft.server.v1_4_6.NetworkManager.b(NetworkManager.java:290)
at net.minecraft.server.v1_4_6.PlayerConnection.d(PlayerConnection.java:112)
at net.minecraft.server.v1_4_6.ServerConnection.b(SourceFile:39)
at net.minecraft.server.v1_4_6.DedicatedServerConnection.b(SourceFile:30)
at net.minecraft.server.v1_4_6.MinecraftServer.r(MinecraftServer.java:585)
at net.minecraft.server.v1_4_6.DedicatedServer.r(DedicatedServer.java:224)
at net.minecraft.server.v1_4_6.MinecraftServer.q(MinecraftServer.java:481)
at net.minecraft.server.v1_4_6.MinecraftServer.run(MinecraftServer.java:416)
at net.minecraft.server.v1_4_6.ThreadServerApplication.run(SourceFile:849)
Caused by: java.lang.NullPointerException
at uk.co.jacekk.bukkit.bloodmoon.feature.LockInWorldListener.onPlayerTeleport(LockInWorldListener.java:35)
at uk.co.jacekk.bukkit.bloodmoon.feature.LockInWorldListener.onPlayerPortal(LockInWorldListener.java:43)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:425)
... 22 more
getting this error with your 0.20.2