ANR0316W
A full backup for database DB Name cannot be started. This backup is required.

Explanation

An automatic full backup was attempted for this database. However, the device class for database backups has not been specified.

System action

The database backup operation is not started.

User response

Issue the SET DBRECOVERY command to specify the default device class for automatic database backups. Then, issue the BACKUP DB command and specify TYPE=FULL to back up the database.