How To Fix ACM151 - There is already a PFCG_AUTH aspect with canonical expression: &1&2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: ACM - Message-Class for all ACM functions/exceptions

• Message number: 151

• Message text: There is already a PFCG_AUTH aspect with canonical expression: &1&2&3&4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ACM151 - There is already a PFCG_AUTH aspect with canonical expression: &1&2&3&4 ?

  The SAP error message ACM151 indicates that there is a conflict with the authorization object in the Profile Generator (PFCG). Specifically, it means that there is already an existing PFCG_AUTH aspect with the same canonical expression, which typically involves authorization objects or roles that are being defined in the system.
  Cause:
  The error occurs when you attempt to create or modify a role in PFCG that has an authorization object or aspect that already exists in the system. This can happen due to:
  
  Duplicate entries in the role definitions.
  Attempting to create a role that has the same authorization objects as an existing role.
  Issues with transport requests that may have led to inconsistencies in the role definitions.
  
  Solution:
  To resolve the ACM151 error, you can follow these steps:
  
  
  Check Existing Roles: 
  
  Go to transaction PFCG and check the existing roles to see if the authorization object or aspect you are trying to create already exists.
  If it does, consider modifying the existing role instead of creating a new one.
  
  
  
  Review Role Definitions:
  
  Ensure that the role you are trying to create does not have overlapping authorization objects with other roles.
  If necessary, remove or modify the conflicting authorization objects in your new role.
  
  
  
  Transport Requests:
  
  If the issue is related to transport requests, check if there are any pending or inconsistent transport requests that might be causing the duplication.
  You may need to adjust or re-import transport requests to resolve inconsistencies.
  
  
  
  Delete or Adjust Duplicates:
  
  If you find duplicate entries, you can delete or adjust them as needed to ensure that there are no conflicts.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  
  
  System Consistency Check:
  
  Perform a consistency check on your roles and authorizations to ensure that there are no other underlying issues.
  
  
  
  Related Information:
  
  Transaction Codes: PFCG (Role Maintenance), SU01 (User Maintenance), SUIM (User Information System).
  Authorization Objects: Familiarize yourself with the relevant authorization objects that are causing the conflict.
  SAP Documentation: Review SAP documentation related to role management and authorization concepts for a deeper understanding.
  
  By following these steps, you should be able to identify the cause of the ACM151 error and implement a solution to resolve it. If the problem persists, consider reaching out to your SAP Basis or Security team for further assistance.