Lwc Error

06.02 09:38:55 [Server] INFO ... 3 more
06.02 09:38:55 [Server] INFO at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
06.02 09:38:55 [Server] INFO at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftTask.run(CraftTask.java:53)
06.02 09:38:55 [Server] INFO at com.griefcraft.util.Updater$1.run(Updater.java:81)
06.02 09:38:55 [Server] INFO Caused by: java.lang.NullPointerException
06.02 09:38:55 [Server] INFO at java.lang.Thread.run(Thread.java:724)
06.02 09:38:55 [Server] INFO at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
06.02 09:38:55 [Server] INFO at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
06.02 09:38:55 [Server] INFO at org.bukkit.craftbukkit.v1_7_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
06.02 09:38:55 [Server] INFO [09:38:55 WARN]: org.apache.commons.lang.UnhandledException: Plugin LWC v4.4.0 (b881) (July 11, 2013) generated an exception while executing task 11
06.02 09:38:55 [Server] INFO [09:38:55 WARN]: Exception in thread "pool-3-thread-12"
06.02 09:38:55 [Server] INFO [09:38:55 INFO]: [LWC] [LWC] This can probably be ignored.
06.02 09:38:55 [Server] INFO [09:38:55 INFO]: [LWC] [LWC] The updater ran into a minor issue: http://update.griefcraft.com/lwc/branch/stable/LATEST