I see the same messages on logs and e-mail task is getting locked.
Looking for if it is related to the mail task.

On Tue, Nov 3, 2015 at 8:13 PM, Vander Ploeg, Daniel B <danvan@illinois.edu> wrote:
Since upgrading to 5.0.1 (and now 5.0.2), I've been seeing the following error in the system log:

OTRS-otrs.Daemon.pl - Daemon Kernel::System::Daemon::DaemonModules::SchedulerTaskWorker-10      Data->{Params} format is invalid

It happens every 10 minutes.  Can anyone point me in the right direction to track this down?

Thanks,

Dan
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