it's simular to the other one (just another line, build with the latest from github)

[14:32:57 WARN]: Exception in thread "Craft Scheduler Thread - 11259"
[14:32:57 WARN]: org.apache.commons.lang.UnhandledException: Plugin BanManager v5.4.0-SNAPSHOT generated an exception while executing task 3495
at org.bukkit.craftbukkit.v1_7_R4.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:744)
Caused by: java.lang.NullPointerException
at me.confuser.banmanager.bukkitutil.Message.replace(Message.java:24)
at me.confuser.banmanager.bukkitutil.Message.set(Message.java:30)
at me.confuser.banmanager.commands.external.UnbanIpAllCommand$1.run(UnbanIpAllCommand.java:51)
at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftTask.run(CraftTask.java:71)
at org.bukkit.craftbukkit.v1_7_R4.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more