How To Fix CACS_STD234 - User in front end &1 is different from user in back end &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CACS_STD - Higher Level Messages for Standard Contract

• Message number: 234

• Message text: User in front end &1 is different from user in back end &2

What causes this issue?

You must register with the same user in the back end as in the front
end.

System Response

The process is canceled.

How to fix this error?

Contact your system administrator for an analysis and solution to the
problem.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CACS_STD234 - User in front end &1 is different from user in back end &2 ?

  The SAP error message CACS_STD234 indicates a mismatch between the user logged into the SAP front end and the user in the back end system. This typically occurs in scenarios where there is a discrepancy in user sessions or when the system is trying to validate user permissions and roles.
  Cause:
  
  User Session Mismatch: The user logged into the front end (SAP GUI) is different from the user that the back end system recognizes. This can happen if the user has switched sessions or if there are multiple users accessing the same session.
  Authorization Issues: The user in the front end may not have the necessary authorizations or roles assigned in the back end system.
  System Configuration: There may be configuration issues in the system that lead to user mismatches, especially in systems that integrate with other applications or databases.
  
  Solution:
  
  Log Out and Log In Again: The simplest solution is to log out of the SAP GUI and log back in with the correct user credentials that match the back end.
  Check User Roles and Authorizations: Ensure that the user has the appropriate roles and authorizations assigned in the back end system. This can be done by checking the user profile in transaction SU01.
  Session Management: If multiple users are accessing the same session, ensure that each user has their own session to avoid conflicts.
  System Configuration Review: If the issue persists, review the system configuration and integration settings to ensure that user mappings are correctly set up.
  Contact SAP Support: If none of the above solutions work, consider reaching out to SAP support for further assistance, especially if this is a recurring issue.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SU01 (User Maintenance) to check user details and roles, and SU53 (Authorization Check) to analyze authorization issues.
  User Management: Familiarize yourself with user management best practices in SAP to prevent such issues in the future.
  Documentation: Refer to SAP documentation for specific details on user management and authorization concepts.
  
  By following these steps, you should be able to resolve the CACS_STD234 error and ensure that the user sessions are correctly aligned between the front end and back end systems.