Solution : https://service.sap.com/sap/support/notes/434223 (SAP Service marketplace login required)
Key words : 
field 'select single request', select 'system -> status', error message occurs, conflict resolution transports, start abap baotagen, modifies component sap_appl, symptom general issues, current spam update, required spam version, sapnet web frontend
Related Notes : 
       
| 212075 | Release strategy for IS-H | 
| 212072 | IS-H collection note: Overview of notes for Release 4.6 |