How To Fix CLB201 - External user ID does not exist for user '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB - SAIL: Common messages

• Message number: 201

• Message text: External user ID does not exist for user '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CLB201 - External user ID does not exist for user '&1' ?

  The SAP error message CLB201 indicates that the external user ID specified does not exist for the user in question. This error typically arises in scenarios involving user management, particularly when integrating with external systems or when using external user IDs for authentication or authorization.
  Cause:
  
  Non-existent User ID: The external user ID provided does not match any existing user in the SAP system.
  Incorrect Configuration: There may be a misconfiguration in the user management settings or in the integration with external systems.
  User Deactivation: The user associated with the external user ID may have been deactivated or deleted.
  Data Synchronization Issues: If the system is integrated with an external identity provider, there may be synchronization issues leading to the external user ID not being recognized.
  
  Solution:
  
  Verify User ID: Check the external user ID being used and ensure it is correct. Look for typos or formatting issues.
  Check User Existence: Use transaction codes like SU01 to verify if the user exists in the SAP system. If the user does not exist, you may need to create it.
  User Activation: If the user exists but is inactive, reactivate the user account.
  Integration Configuration: Review the configuration settings for any external systems or identity providers to ensure they are correctly set up to recognize the external user IDs.
  Data Synchronization: If applicable, ensure that the synchronization process between SAP and the external system is functioning correctly. This may involve checking logs or running synchronization jobs.
  Consult Documentation: Refer to SAP documentation or support notes related to user management and external user IDs for additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: 
  
  SU01 - User Maintenance
  SU10 - Mass User Maintenance
  SUIM - User Information System
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  User Management Best Practices: Ensure that user management processes are in place to regularly review and maintain user accounts, especially in systems with external integrations.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.