How To Fix GB160 - No authorization to change substitutions

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 160

• Message text: No authorization to change substitutions

What causes this issue?

You have tried to change a substitution, but you need the authorization
to do so.

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, 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 GB160 - No authorization to change substitutions ?

  The SAP error message GB160 "No authorization to change substitutions" typically occurs when a user attempts to modify substitution entries 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 functionality, where users can set up substitutes for their tasks.
  Cause:
  The primary cause of this error is insufficient authorization. The user attempting to change substitutions does not have the required permissions assigned in their user profile. This can happen due to:
  
  
  Missing Authorization Objects: The user may not have the necessary authorization objects assigned to their role. The relevant authorization objects for substitutions typically include:
  
  S_USER_AUTH (User Authorization)
  S_TCODE (Transaction Code)
  S_SUBST (Substitution)
  
  
  
  Role Configuration: The user's role may not be configured correctly to allow changes to substitutions.
  
  
  Profile Issues: The user profile may not be updated with the latest roles or authorizations.
  
  
  Solution:
  To resolve the GB160 error, you can take the following steps:
  
  
  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 User Roles:
  
  Check the roles assigned to the user using transaction code SU01 (User Maintenance). Ensure that the user has the necessary roles that include the required authorizations for substitution changes.
  
  
  
  Modify Role Assignments:
  
  If the necessary authorizations are missing, you may need to modify the user's roles or create a new role that includes the required authorizations. This typically requires access to the role maintenance transaction (PFCG).
  
  
  
  Consult with Security Team:
  
  If you do not have the necessary permissions to change roles or authorizations, contact your SAP security team or system administrator. They can help you identify and assign the correct authorizations.
  
  
  
  Testing:
  
  After making changes to the user’s authorizations, have the user log out and log back in to ensure that the changes take effect. Then, attempt to change the substitutions again.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP documentation for detailed information on authorization objects and their usage.
  Transaction Codes:
  
  SU01: User Maintenance
  PFCG: Role Maintenance
  SU53: Authorization Check Analysis
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to substitutions and authorizations.
  
  By following these steps, you should be able to resolve the GB160 error and allow the user to change substitutions as needed.