■ There was no current record to delete, retrieve, or update
  when an ISAM DELETE, RETRIEVE or UPDATE statement was
  executed.
 
■ An ISAM MOVENEXT or MOVEPREVIOUS statement has been
  executed on a file that does not have a next or previous
  record.
 
■ If you need additional help, move the cursor to a keyword
  and press F1 to open the Help window.