9002    RDD invalid or not linked

     Explanation:  The runtime system has failed to detect a matching RDD
     loaded for the database and indices used in the application.

     Action:  Make sure the database header is correct.  Recreate the
     indices.  Refer to Actions and Notes under 999 and 1011.  Check third
     party .LIBraries for compatibility and version.  Check link script and
     order.  Look for missing RDD .LIBrary or .OBJ files.  The .EXE may be
     invalid.

     See Also:  "Linking" and "Debugger" chapters of the Programming and
     Utilities Guide.