Bit <num> set in area bitmap for nonexistent SPAM page.
  Corrupt bit is for logical area <num> on page <num>.

  Explanation:  An ABM page can contain more bits than  there  are
  spam  pages  in an area.  This message indicates that an ABM bit
  was set for a non-existent SPAM page.  The logical area and page
  number  in  the  message  identify the page that has the bad bit
  set.

  User Action:  User RMU REPAIR to rebuild the ABM page.