enjin error R1

[20:56:19] [Craft Scheduler Thread - 3/WARN]: Exception in thread "Craft Scheduler Thread - 3"
[20:56:19] [Craft Scheduler Thread - 3/WARN]: org.apache.commons.lang.UnhandledException: Plugin EnjinMinecraftPlugin v2.5.6 generated an exception while executing task 54
	at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:724)
Caused by: java.lang.NullPointerException
	at com.enjin.officialplugin.threaded.BanLister.run(BanLister.java:28)
	at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftTask.run(CraftTask.java:58)
	at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
	... 3 more


[20:57:54] [Craft Scheduler Thread - 4/WARN]: Exception in thread "Craft Scheduler Thread - 4"
[20:57:54] [Craft Scheduler Thread - 4/WARN]: org.apache.commons.lang.UnhandledException: Plugin EnjinMinecraftPlugin v2.5.6 generated an exception while executing task 54
	at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:724)
Caused by: java.lang.NullPointerException
	at com.enjin.officialplugin.threaded.BanLister.run(BanLister.java:28)
	at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftTask.run(CraftTask.java:58)
	at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
	... 3 more