The use of "rename_job" caused the "box_success" and "box_failure" attributes values to disappear.
Release : 12.1
This is referenced as Problem Number: 18796 and fixed by the CUM1 patch number 99111682.
https://support.broadcom.com/web/ecx/solutiondetails?aparNo=99111682&os=LINUX%20-ALL
AutoSys Workload Automation 12.1 CUM1 Patch number 99111682 for LINUX –ALL
The following known problem is fixed in the CUM1 patch number 99111682 for AutoSys 12.1 on Linux :
5. RENAME_JOB OPERATION NULLIFIES BOX_SUCCESS AND BOX_FAILURE ATTRIBUTES
When a job is renamed, its dependent box job's box_success or box_failure is blank.
Problem Number: 18796