SAP Message 01584 - No authorization for this action

Diagnosis
You do not have the required authorization for authorization objectS_USER_SAS.

System Response
IF &V1& = USR_PRO_ASSIGNMENT
You are not authorized to assign profile &V3& to user &V2& or to cancelthe assignment.
ELSEIF &V1& = USR_AGR_ASSIGNMENT
You are not authorized to assign role &V3& to user &V2& or to cancel theassignment.
ELSEIF &V1& = USR_SYS_ASSIGNMENT
You are not authorized to assign system &V4& to user &V2& or to cancelthe assignment.
ELSEIF &V1& = SYS_USR_AGR_ASSIGNMENT
You are not authorized to assign role &V3& in system &V4& to user &V2&or to cancel the assignment.
ELSEIF &V1& = SYS_USR_PRO_ASSIGNMENT
You are not authorized to assign profile &V3& in system &V4& to user
V2 or to cancel the assignment.
ENDIF