Solution : https://service.sap.com/sap/support/notes/1329172 (SAP Service marketplace login required)
Key words : 
table changing domain estak call transaction se11, database table bbp_es_settings call transaction se11, erp-e-sourcing integration application component, mm-pur-gf surrounding package, package bbp_es_erp_int call transaction se21, class cl_bbp_es_settings start transaction se24, software component   sap_appl                      sap application, e-sourcing-erp integration package, pi-b2b software component, display/maintenance allowed enter
Related Notes : 
       
| 1509572 | Transfer of condition types from ERP to SAP Sourcing | 
| 1458469 | Integrating ERP with SAP Sourcing Wave 7 | 
| 1456679 | E-Sourcing: Error during contract /agreement creation | 
| 1413846 | Purchasing document creation fails with message M3 305 | 
| 1402292 | Changing the system name for SAP E-Sourcing 6.00 | 
| 1369122 | Changes in table BBP_ES_SETTINGS are not logged | 
| 1364669 | Integrating ERP with the SAP Sourcing (II) | 
| 1364357 | Defined language for material master transfer |