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