[02:21:36 WARN]: Exception in thread "Craft Scheduler Thread - 4533"
[02:21:36 WARN]: org.apache.commons.lang.UnhandledException: Plugin ReturnPvP v1
.2 generated an exception while executing task 84942
        at org.bukkit.craftbukkit.v1_7_R4.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