SAP Message 01527 - You are not authorized to change the reference user assignment &3

Diagnosis
By entering a reference user for a user, the user is granted theauthorizations of the reference user. These authorizations arewithdrawn from the user when you delete this reference user.
The system checks whether the user administrator is allowed to manuallyenter and delete these authorizations using role and profileassignment.
If the check fails, the assignment of the reference user cannot bechanged.
IF &V1& = ROLE AND &V4& = DEL
The reference user &V3& is assigned to the role &V2&. You do not haveauthorization to delete the role assignment for the current user.
You are therefore not allowed to delete the entry for the referenceuser.
ELSEIF &V1& = ROLE AND &V4& = ADD
The reference user &V3& is assigned to the role &V2&. You do not haveauthorization to enter the role assignment for the current user.
You are therefore not allowed to enter the reference user.
ELSEIF &V1& = PROFILE AND &V4& = DEL
The reference user &V3& is assigned to the profile &V2&. You do nothave authorization to delete the profile assignment for the currentuser.
You are therefore not allowed to delete the entry for the referenceuser.
ELSEIF &V1& = PROFILE AND &V4& = ADD
The reference user &V3& is assigned to the profile &V2&. You do nothave authorization to enter the profile assignment for the currentuser.
You are therefore not allowed to enter the reference user.
ENDIF