Solution : https://service.sap.com/sap/support/notes/588177 (SAP Service marketplace login required)
Key words :
internal confirmation category 'la', 'return delivery visible' setting, internal confirmation categories, quantity difference profile, confirmation control key, confirmation control, return delivery, confirmation overview, return deliveries, ekes update
Related Notes :
660042 | QM02: Data inconsistencies when creating return deliveries |
491785 | Return delivery after GR with VL32 or VL32N |