Bukkit

A task bug that appears in my console every couple of minutes.
It says that your plugin generates a task exception and I have a general idea of what that means, if i can i'll get you the console log later.
Got the console log, happens when a player logs in:
11:29:12 [INFO] jccreszMinecraft[/192.168.1.70:64647] logged in with entity id 1
101 at ([TARDIS/TARDIS_Worlds/TARDIS_jccreszMinecraft] 4.352593355708051, 67.0,
16.283137307233787)
11:29:13 [SEVERE] Exception in thread "pool-1-thread-34"
11:29:13 [SEVERE] org.apache.commons.lang.UnhandledException: Plugin Statues v1.
2 generated an exception while executing task 88
        at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyn
cTask.java:56)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
        at com.lenis0012.bukkit.statues.utils.SimpleUtil.renderStatues(SimpleUti
l.java:42)
        at com.lenis0012.bukkit.statues.listeners.StatuesListener$2.run(StatuesL
istener.java:35)
        at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java
:53)
        at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyn
cTask.java:53)
        ... 3 more

11:29:13 [SEVERE] Exception in thread "pool-1-thread-35"
11:29:13 [SEVERE] org.apache.commons.lang.UnhandledException: Plugin Statues v1.
2 generated an exception while executing task 81
        at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyn
cTask.java:56)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
        at com.lenis0012.bukkit.statues.utils.SimpleUtil.renderStatues(SimpleUti
l.java:42)
        at com.lenis0012.bukkit.statues.listeners.StatuesListener$1.run(StatuesL
istener.java:23)
        at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftTask.run(CraftTask.java
:53)
        at org.bukkit.craftbukkit.v1_6_R3.scheduler.CraftAsyncTask.run(CraftAsyn
cTask.java:53)
        ... 3 more

thats all, thank you.