SAP Message USC513 - The sender &2 cannot be used

Diagnosis
For sender &v1& (&v2&), one of the following errors occurred:

  • The primary stakeholder group of the sender is not "employee".

  • Some address data is missing for the selected send type.

    • System Response
    The send process is canceled.

    Procedure
    Maintain the master data of the sender, or use another sender.