Solution : https://service.sap.com/sap/support/notes/799899 (SAP Service marketplace login required)
Key words :
' dialog box displayed choose button 'change', select button 'change authorisation data', responsibility managment frontend view, choose button 'full authorisation', enter authorisation objects 's_rfc', enter authorisation objects 's_user_agr', backend transaction /fre/sui_user, enter description 'sui role, zsap_scm_fre_suizsap_scm_fre_sui_mngrto create role zsap_scm_fre_sui, ' dialog box displayed
Related Notes :
| 700659 | Security Guide: mySAP Supply Chain Management |