Heres the exception:

[03:19:41 WARN]: org.apache.commons.lang.UnhandledException: Plugin Autorank v3.5.1 generated an exception while executing task 94
at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at me.armar.plugins.autorank.mysql.wrapper.MySQLWrapper.setGlobalTime(MySQLWrapper.java:177)
at me.armar.plugins.autorank.playtimes.Playtimes.setGlobalTime(Playtimes.java:389)
at me.armar.plugins.autorank.playtimes.Playtimes.modifyGlobalTime(Playtimes.java:360)
at me.armar.plugins.autorank.playtimes.PlaytimesUpdate.updateMinutesPlayed(PlaytimesUpdate.java:55)
at me.armar.plugins.autorank.playtimes.PlaytimesUpdate.updateMinutesPlayed(PlaytimesUpdate.java:76)
at me.armar.plugins.autorank.playtimes.PlaytimesUpdate.run(PlaytimesUpdate.java:30)
at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftTask.run(CraftTask.java:71)
at org.bukkit.craftbukkit.v1_8_R2.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more

The server version and ar version is in the log, thanks :)

No solution? Still happening :(

Could you update to the latest dev build and try again?

Is the Autorank-3.5.1-Dev-383.jar version? I will try! Thanks.

Yup!

The same error still:

[15:48:48 WARN]: Exception in thread "Craft Scheduler Thread - 1749"
[15:48:48 WARN]: org.apache.commons.lang.UnhandledException: Plugin Autorank v3.5.1 generated an exception while executing task 78
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:56)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at me.armar.plugins.autorank.mysql.wrapper.MySQLWrapper.setGlobalTime(MySQLWrapper.java:177)
at me.armar.plugins.autorank.playtimes.Playtimes.setGlobalTime(Playtimes.java:389)
at me.armar.plugins.autorank.playtimes.Playtimes.modifyGlobalTime(Playtimes.java:360)
at me.armar.plugins.autorank.playtimes.PlaytimesUpdate.updateMinutesPlayed(PlaytimesUpdate.java:55)
at me.armar.plugins.autorank.playtimes.PlaytimesUpdate.updateMinutesPlayed(PlaytimesUpdate.java:76)
at me.armar.plugins.autorank.playtimes.PlaytimesUpdate.run(PlaytimesUpdate.java:30)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftTask.run(CraftTask.java:71)
at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
... 3 more

Could you show me your whole startup log?

Closed due to inactivity.