How To Fix GB161 - No authorization to change this substitution

SAP Error Message - Details

• Message type: E = Error

• Message class: GB - Messages used by the Boolean code generator

• Message number: 161

• Message text: No authorization to change this substitution

What causes this issue?

You have tried to change a substitution, but you do not have the
authorization to do so. This authorization can be restricted to
specific authorization groups. The substitution in question belongs to
authorization group &V1&.
The system can also issue this message if authorization group &V1& is
to be assigned to a substitution.

System Response

The system rejected your attempt since you do not have the necessary
authorization.

How to fix this error?

If you want to change substitutions of authorization group &V1&, you
must obtain the necessary authorization from your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GB161 - No authorization to change this substitution ?

  The SAP error message GB161 "No authorization to change this substitution" typically occurs when a user attempts to modify a substitution in the SAP system but lacks the necessary authorizations to perform that action. This error is commonly encountered in the context of SAP's workflow and substitution functionalities, where users can set up rules for substituting one user for another in various processes.
  Cause:
  
  Insufficient Authorizations: The user does not have the required authorization objects to change substitutions. This could be due to missing roles or permissions in their user profile.
  Role Restrictions: The user's assigned roles may not include the necessary permissions to modify substitution settings.
  System Configuration: There may be specific configurations in the system that restrict certain users from making changes to substitutions.
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after encountering the error to see which authorization check failed. This will provide insight into what specific authorization is missing.
  Review the user's roles and authorizations in transaction code SU01 (User Maintenance) or PFCG (Role Maintenance).
  
  
  
  Modify User Roles:
  
  If the user lacks the necessary authorizations, a system administrator or security officer should update the user's roles to include the required authorization objects. Common authorization objects related to substitutions include:
  
  S_USER_AUTH (User Authorization)
  S_TCODE (Transaction Code)
  S_SUBST (Substitution)
  
  
  
  
  
  Consult with Security Team:
  
  If you are not authorized to change roles or permissions, contact your SAP security team or administrator to request the necessary changes.
  
  
  
  Testing:
  
  After adjustments are made, have the user log out and back into the system, then attempt to change the substitution again to verify that the issue is resolved.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP's official documentation for detailed information on authorization objects and how to manage user roles.
  Transaction Codes:
  
  SU53: Display Authorization Check
  SU01: User Maintenance
  PFCG: Role Maintenance
  
  
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to the GB161 error message.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.