invalid  after-image  journal  backup  interval  value   "<num>"
  specified

  Explanation:   An  invalid  AIJ  journal  backup  interval   was
  specified.

  User Action:  The AIJ  journal  backup  interval  specifies  the
  number  of  seconds for which the backup utility will wait.  The
  value must be a positive number, which  may  include  the  value
  "0".