Symptom
Cannot create new Confirmation Control Key in SSCUI 101718 Set Up Confirmation Control, the error message "Select a key from the allowed namespace.(Message no. SV019)" pops up.
Environment
SAP S/4HANA Cloud Public Edition
Cause
The Configurations and customizings are delivered by SAP through SET Content framework in SAP S/4HANA Cloud Public Edition systems. Since, the content is owned by SAP and delivered every release, it is not allowed to maintain entries through SSCUIs within SAP namespaces.
Therefore, restrictions are applied and only Z* or Y* entries are allowed.
Resolution
The new confirmation control key can be named starting with Z or Y.
Keywords
SSCUI 101718, Set Up Confirmation Control, allowed namespace, Z*, Y* , KBA , MM-FIO-PUR-PO-2CL , Fiori UI for Purchase Orders (Public Cloud) , Problem
SAP Knowledge Base Article - Public