3457346 - Error "User ID is already maintained as alias with Person GUID. No action required" while running report RP_HRSFEC_IAS_USER_ALIAS_UPD

Error "User ID is already maintained as alias with Person GUID. No action required" is raised for some users when running report RP_HRSFEC_IAS_USER_ALIAS_UPD to update the user ID with the Person globally unique identifier (GUID) in the Alias field for existing users in Employee Central Payroll. 

• SAP SuccessFactors Employee Central Integration to SAP Business Suite
• Employee Central Payroll (ECP)

Person UUID, PersonGUID, enabling IAS, User Migration, UUID, su01,  , KBA , LOD-EC-GCP-PY , Payroll Integration EC to Employee Central Payroll , LOD-EC-GCP-PY-MAS , Employee Data Maintenance via Mashups , LOD-EC-GCP-PY-PST , EC Payroll Pay Statement , Problem