2663 SUBSTR: string subscript out of bounds in %TVMID.%FLDID.
This error occurs when a SUBSTR is used, and either the start position used is beyond the end of the string or the start offset plus the specified length is greater than the string length.
The interpretative instruction processor.
This can be caused by an error in the second or third argument of SUBSTR. The TvmId and FldId can be from the source or target row.
Fix the DBC/SQL request and resubmit.