BanManager v5.4.1 generated an exception while executing task 15

[CurePindal]

Unfortunatly I have no clue why this happed after the server startup. Nor if its serious or not. Didnt see this with v5.4.1.
Anybody who can give me a hint whats wrong here?
Thanks!

[16:24:25] [main/INFO]: Forge Mod Loader version 7.10.88.1307 for Minecraft 1.7.10 loading
[16:24:25] [main/INFO]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.8.0_45, running on Linux:amd64:3.13.0-53-generic, installed at /opt/jre1.8.0_45
(Its a newer Cauldron-server).

[16:26:34] [Craft Scheduler Thread - 1/WARN]: Exception in thread "Craft Scheduler Thread - 1"
[16:26:34] [Craft Scheduler Thread - 1/WARN]: org.apache.commons.lang.UnhandledException: Plugin BanManager v5.4.1 generated an exception while executing task 15
at org.bukkit.craftbukkit.v1_7_R4.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.IllegalStateException: Errors getting more results of class me.confuser.banmanager.data.PlayerBanData
at me.confuser.banmanager.internal.ormlite.stmt.SelectIterator.hasNext(SelectIterator.java:103)
at me.confuser.banmanager.runnables.BanSync.newBans(BanSync.java:52)
at me.confuser.banmanager.runnables.BanSync.run(BanSync.java:31)
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
Caused by: java.sql.SQLException: Operation not allowed after ResultSet closed
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1073)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:987)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:982)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:927)
at com.mysql.jdbc.ResultSetImpl.checkClosed(ResultSetImpl.java:794)
at com.mysql.jdbc.ResultSetImpl.first(ResultSetImpl.java:1164)
at me.confuser.banmanager.internal.ormlite.jdbc.JdbcDatabaseResults.first(JdbcDatabaseResults.java:58)
at me.confuser.banmanager.internal.ormlite.stmt.SelectIterator.hasNextThrow(SelectIterator.java:79)
at me.confuser.banmanager.internal.ormlite.stmt.SelectIterator.hasNext(SelectIterator.java:98)
... 7 more

[confuser]

Duplicate of #276