Important Notice

The pages on this site contain documentation for very old MS-DOS software, purely for historical purposes. If you're looking for up-to-date documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

 ◄Key►                                       ◄Up► ◄Contents► ◄Index► ◄Back►
────────────────────────────────────────────────────────────────────────────
 
  Message:      0257
 
  Text:         KEY data-name missing or already declared
 
  Explanation:  You have either not declared a data item specified in
                the KEY phrase of an OCCURS clause, or you have declared it
                twice.
 
  Resolution:   Declare the data item or remove the extra declaration.
                                    -♦-