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documentation, particularly for programming, you should not rely on the information found here, as it will be woefully out of date.

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  Message:      0530
 
  Text:         Data item used as index file key is not alphanumeric
 
  Explanation:  The data item you have specified as an index file key
                is not alphanumeric.
 
  Resolution:   Revise your code to make the data item alphanumeric.
                                    -♦-