SAP Knowledge Base Article - Public

3312060 - Invalid namespace for OM: Email Sender Domain.


While inserting the new entries in SSCUI - 101312 ("Define Email for Test recipients"), the below error encountered.

  • Invalid namespace for OM: Email Sender Domain
  • Message no. /FTI/WEBGUI_MSG031


SAP S/4HANA Cloud.

Reproducing the Issue

  1. Access SSCUI - 101312.
  2. Create a new entry.
  3. Click on 'Save' button.


Record cannot be created with SAP reserved pattern. This restriction is implemented to protect the customer data because if same records are delivered by SAP in future releases then customer created records will be overwritten.


  1. Access the SSCUI -101312.
  2. Enter the email address in lower case for the new entry.
  3. Click on save.


SAP reserved character fields - S, Q, R, X, P, Y

SAP reserved numeric fields - 5, 6, 7, 8, 9, 0

See Also

S/4HC - Error: Sender domain in isn't allowed - 2660904


s4_PC, namespace, recipient, email, address, 101312, sscui, restriction, test, domain, sender , KBA , SV-CLD-SSC , Self-Service-Configurations-UI , CA-GTF-OC , SAP S/4HANA output management , Problem


SAP S/4HANA Cloud all versions