Symptom
When attempting to change the Confirmation Control Key, but an error occurred: "MEPO031: Confirmation control key cannot now be changed".
Environment
SAP S/4HANA Cloud Public Edition
Reproducing the Issue
- Open Change Purchase Order- Advance (ME22N)
- Item details
- Change confirmation control key
"Confirmation control key cannot now be changed Message no. MEPO031"
Resolution
In standard functionality, it is not possible to change the Confirmation Control Key once follow-on processes have been performed. If the Confirmation Control Key is changed, it leads to inconsistencies in the system.
Remove the line item from the inbound delivery using transaction VL32N. After removing the line item from the inbound delivery, proceed to change the Confirmation Control Key as required.
Keywords
confirmation control key, mepo031, purchase orders, legacy purchase orders, inbound delivery, ekes table, error message, change confirmation control key, procurement lifecycle, purchase order processing, field logistics activation, legacy POs, VL32N, maintain inbound delivery creation at plant, confirmation control settings. , KBA , MM-PUR-GF-CON-2CL , Confirmation Control/Shipping Notification (Public Cloud) , Problem
SAP Knowledge Base Article - Public