AIJ backup completed when accessing overwritten journal <str>

  Explanation:  An attempt was made  to  back  up  an  after-image
  journal that has been overwritten.

  User Action:  While an after-image journal was in progress,  the
  journal   being   backed   up  was  overwritten.   Consequently,
  data-loss has occurred, and the backup operation cannot continue
  any further.  A full database backup is required.