I got this strange error from every cron-job that I run.

I upgrade my OTRS from 2.1.1 to 2.1.5, using the source. I just extract the new files over the old folder.

The error is this

DBI::db=HASH(0x8a7d130)->disconnect invalidates 1 active statement handle (either destroy statement handles or call finish on them before disconnecting) at .../Kernel/System/DB.pm line 223, <PRODUCT> line 4.

Peter