[opendmarc-users] DELETE failed error. What is causing this?

[Robert@QuantumRadio]

Since I updated MySql to 5.7, I’m getting this every night. What’s causing it. I can’t find it.

opendmarc-expire: started at Fri Jun 24 00:00:15 2016
opendmarc-expire: connected to database
opendmarc-expire: expiring messages older than 180 day(s)
opendmarc-expire: expiring signatures on expired messages (id < 27)
opendmarc-expire: expiring request data older than 180 days
opendmarc-expire: DELETE failed: Incorrect datetime value: '0000-00-00 00:00:00' for column 'lastsent' at row 1
opendmarc-expire: 26 row(s) deleted
opendmarc-expire: no rows deleted

thanks