Orebfuscator

15:28:40 [SEVERE] Exception in thread "pool-1-thread-12"
15:28:40 [SEVERE] org.apache.commons.lang.UnhandledException: Plugin Orebfuscato
r v1.8.3 generated an exception while executing task 12
        at org.bukkit.craftbukkit.v1_4_6.scheduler.CraftAsyncTask.run(CraftAsync
Task.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.lishid.orebfuscator.utils.Updater.update(Updater.java:249)
        at com.lishid.orebfuscator.utils.UpdateManager$1.run(UpdateManager.java:
27)
        at org.bukkit.craftbukkit.v1_4_6.scheduler.CraftTask.run(CraftTask.java:
53)
        at org.bukkit.craftbukkit.v1_4_6.scheduler.CraftAsyncTask.run(CraftAsync
Task.java:53)
        ... 3 more