SS$_NORMAL         Normal successful completion.
    CONV$_BADBLK       Invalid option block.
    CONV$_BADLOGIC     Internal logic error detected.
    CONV$_BADSORT      Error trying to sort input file.
    CONV$_CLOSEIN      Error closing file specification as input.
    CONV$_CLOSEOUT     Error closing file specification as output.
    CONV$_CONFQUAL     Conflicting qualifiers.
    CONV$_CREA_ERR     Error creating output file.
    CONV$_CREATEDSTM   File specification has been created in stream
                       format.
    CONV$_DELPRI       Cannot delete primary key.
    CONV$_DUP          Duplicate key encountered.
    CONV$_EXTN_ERR     Unable to extend output file.
    CONV$_FATALEXC     Fatal exception encountered.
    CONV$_FILLIM       Exceeded open file limit.
    CONV$_IDX_LIM      Exceeded maximum index level.
    CONV$_ILL_KEY      Illegal key or value out of range.
    CONV$_ILL_VALUE    Illegal parameter value.
    CONV$_INP_FILES    Too many input files.
    CONV$_INSVIRMEM    Insufficient virtual memory.
    CONV$_KEY          Invalid record key.
    CONV$_LOADIDX      Error loading secondary index n.
    CONV$_NARG         Wrong number of arguments.
    CONV$_NOKEY        No such key.
    CONV$_NOTIDX       File is not an indexed file.
    CONV$_NOTSEQ       Output file is not a sequential file.
    CONV$_NOWILD       No wildcard permitted.
    CONV$_OPENEXC      Error opening exception file specification.
    CONV$_OPENIN       Error opening file specification as input.
    CONV$_OPENOUT      Error opening file specification as output.
    CONV$_ORDER        Routine called out of order.
    CONV$_PAD          Packet Assembly/Disassembly (PAD) option
                       ignored; output record format not fixed.
    CONV$_PLV          Unsupported prolog version.
    CONV$_PROERR       Error reading prolog.
    CONV$_PROL_WRT     Prolog write error.
    CONV$_READERR      Error reading file specification.
    CONV$_REX          Record already exists.
    CONV$_RMS          Record caused RMS severe error.
    CONV$_RSK          Record shorter than primary key.
    CONV$_RSZ          Record does not fit in block/bucket.
    CONV$_RTL          Record longer than maximum record length.
    CONV$_RTS          Record too short for fixed record format file.
    CONV$_SEQ          Record not in order.
    CONV$_UDF_BKS      Cannot convert UDF records into spanned file.
    CONV$_UDF_BLK      Cannot fit UDF records into single block
                       bucket.
    CONV$_VALERR       Specified value is out of legal range.
    CONV$_VFC          Record too short to fill fixed part of VFC
                       record.
    CONV$_WRITEERR     Error writing file specification.