How To Fix 01639 - You are not authorized to assign user group &2 to role &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 01 -

• Message number: 639

• Message text: You are not authorized to assign user group &2 to role &1

What causes this issue?

You are not authorized to change the assignment for role &V1& for users
in user group &V2&.

System Response

The role assignment was not changed.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 01639 - You are not authorized to assign user group &2 to role &1 ?

  The SAP error message 01639, which states "You are not authorized to assign user group &2 to role &1," typically occurs when a user attempts to assign a user group to a role without having the necessary authorizations. This error is related to the authorization management in SAP, particularly in the context of role management and user assignments.
  Cause:
  
  Insufficient Authorizations: The user attempting to perform the action does not have the required authorizations to assign the specified user group to the role.
  Role Restrictions: The role being modified may have restrictions that prevent certain user groups from being assigned.
  User Group Configuration: The user group itself may have specific settings or restrictions that limit who can assign it to roles.
  
  Solution:
  
  
  Check User Authorizations:
  
  Verify the user's authorization profile to ensure they have the necessary permissions to assign user groups to roles. This can be done by checking the user's roles and authorizations in transaction SU01 (User Maintenance) or SUIM (User Information System).
  Ensure that the user has the appropriate authorization objects, such as S_USER_AG (User Master Maintenance: Authorization Group) and S_USER_AUTH (User Master Maintenance: Authorization).
  
  
  
  Role Maintenance:
  
  If you have the necessary authorizations, you can check the role in transaction PFCG (Role Maintenance) to see if there are any restrictions or settings that prevent the assignment of the user group.
  Review the role's attributes and ensure that it allows the assignment of the specified user group.
  
  
  
  Consult with Security Team:
  
  If you do not have the necessary authorizations, contact your SAP security team or administrator. They can review your access rights and make adjustments as needed.
  
  
  
  Documentation and Training:
  
  Ensure that users involved in role management are trained on the authorization concepts and the implications of assigning user groups to roles.
  
  
  
  Related Information:
  
  Authorization Objects: Familiarize yourself with the relevant authorization objects that control access to role management and user group assignments.
  SAP Notes: Check for any SAP Notes related to this error message for additional guidance or patches that may address specific issues.
  Transaction Codes:
  
  SU01: User Maintenance
  PFCG: Role Maintenance
  SUIM: User Information System
  
  
  
  By following these steps, you should be able to resolve the error and successfully assign the user group to the role.