How To Fix CLB2202 - No backend user exists for external ID &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB2 - SAIL: Common messages

• Message number: 202

• Message text: No backend user exists for external ID &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CLB2202 - No backend user exists for external ID &1 ?

  The SAP error message CLB2202 indicates that there is no backend user associated with the specified external ID. This typically occurs in scenarios where the system is trying to access or authenticate a user in the backend system, but it cannot find a corresponding user record.
  Cause:
  
  Missing User in Backend: The external ID provided does not correspond to any user in the backend system (e.g., SAP ERP, SAP S/4HANA).
  Incorrect External ID: The external ID might be incorrectly specified or formatted.
  User Synchronization Issues: There may be issues with the synchronization between the frontend and backend systems, leading to discrepancies in user records.
  Authorization Issues: The user may not have the necessary authorizations to access the backend system.
  
  Solution:
  
  Verify External ID: Check the external ID being used in the transaction or process. Ensure that it is correct and corresponds to a valid user in the backend system.
  Create User in Backend: If the user does not exist, you may need to create the user in the backend system. This can typically be done using transaction codes like SU01 (User Maintenance) in SAP.
  Check User Synchronization: If you are using a system landscape with multiple systems (e.g., SAP Cloud Platform and SAP ERP), ensure that user synchronization is properly configured and functioning.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the backend system. This may involve checking roles and profiles assigned to the user.
  Consult Documentation: Refer to SAP documentation or support notes related to user management and external ID handling for specific guidance based on your system version.
  
  Related Information:
  
  Transaction Codes: 
  
  SU01: User Maintenance
  SU10: Mass User Maintenance
  PFCG: Role Maintenance
  
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  User Management: Familiarize yourself with user management best practices in SAP, including how to manage external IDs and user roles.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.