RTLOG file is transaction logs comes from Point of Sale(POS) system and process in Retail Sales Audit(ReSA) system.
RTLOG file format changed to allow 40 characters in place of 16 characters for coupon numbers.
This field COUPON NUMBER is part of Discount(IDISC) and Tender(TTEND) record type in RTLOG .
If RTLOG format not changed to increase size in IDISC and TTEND records, RTLOG processing in ReSA will fail with GARBAGE_IN_RECORD.
Please see Note 2223509.1 and Note 2338626.1 for details.