How To Fix 01635 - Reference user &2: No authorization for user group &1 for role &3

01635 - Overview

• Message type: E = Error

• Message class: 01 -

• Message number: 635

• Message text: Reference user &2: No authorization for user group &1 for role &3

What causes this issue?

Reference user &V2& has the role assignment &V3&. You are not authorized
to change this role assignment for users in user group &V1&.
Background
By entering a reference user for a user, the user is granted the
authorizations of the reference user. These authorizations are withdrawn
from the user when you remove this reference user.
The system checks whether the user administrator is allowed to manually
enter and remove these authorizations using role and profile
assignments. If the check fails, the assignment of the reference user
cannot be changed.

System Response

The reference user's 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.

01635 - Details

• The SAP error message "01635 Reference user &2: No authorization for user group &1 for role &3" indicates that a user is trying to access a role that they do not have the necessary authorizations for, specifically in relation to a user group. This error typically arises in the context of user management and authorization checks within SAP systems.
  
  Cause:
  
  Missing Authorizations: The user does not have the required authorizations to access the specified user group or role.
  User Group Configuration: The user group may not be properly configured to include the user or the role in question.
  Role Assignment: The role may not be assigned to the user or the user group they belong to.
  Profile Issues: The user’s profile may not include the necessary authorizations for the role or user group.
  
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU01 to check the user’s profile and roles.
  Ensure that the user has the necessary roles assigned that include