2014-01-30 20:22:45 [SEVERE] Could not pass event StructureGrowEvent to Denizen v0.9.3-SNAPSHOT (build 1381)
org.bukkit.event.EventException
>       at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:437)
>       at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62)
>       at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:31)
>       at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:479)
>       at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:464)
>       at net.minecraft.block.BlockSapling.growTree_CB(BlockSapling.java:284)
>       at net.minecraft.block.BlockSapling.growTree(BlockSapling.java:194)
>       at net.minecraft.block.BlockSapling.func_71847_b(BlockSapling.java:54)
>       at net.minecraft.world.WorldServer.func_72955_a(WorldServer.java:944)
>       at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:436)
>       at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:876)
>       at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:330)
>       at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:781)
>       at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:663)
>       at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)
Caused by: java.lang.NullPointerException
>       at net.aufdemrand.denizen.scripts.containers.core.WorldScriptHelper.structureGrow(WorldScriptHelper.java:4547)
>       at sun.reflect.GeneratedMethodAccessor320.invoke(Unknown Source)
>       at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>       at java.lang.reflect.Method.invoke(Method.java:606)
>       at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:435)
>       ... 14 more