We are workign on Pega 7.4.0 version. We are having an issue with SendCorr Agent. 

The Agent goes down all of a sudden and stops sending emails and the email copy is attached to the work object with error symbol.

Attaching the error for reference.

As a workaround we have to:

1. Restart agent via SMA

(OR)

1. If above is not possible delete the agent schedule data instances for all the BG nodes listed in Data-Agent-Schedule. Agent Schedule:  Pega-ProCom  

Any help here would be appreciated, as it is impacting a lot of staff. 

Thanks in advance...