BSYR815E To process Disaster Recovery via the archive log method, you must specify the IC that will be needed at the DR site. You must specify either number of days or number of hours, or both days and hours of the IC that you need available for disaster recovery.

Explanation
You specified 0 for days and hours in the Image Copies Needed at DR field. This value is not valid.
User response
Specify either the number of days or the number of hours, or both days and hours in this field.