Invalid, rejected data

The format and an example of invalid rejected data is shown here:

Format for data file:
fileDirectory/x12/reject/parentUid_x12.reject
fileDirectory/rail/reject/parentUid_rail.reject
Format for error log file:
fileDirectory/x12/reject/parentUid_x12.log
fileDirectory/rail/reject/parentUid_rail.log
Example:
c:\output\x12\reject\20210226-154218_x12.reject
c:\output\x12\reject\20210226-154218_x12.log
c:\output\rail\reject\1234567890_rail.reject
c:\output\rail\reject\1234567890_rail.log