Solution : https://service.sap.com/sap/support/notes/656633 (SAP Service marketplace login required)
Key words : 
customizing activity 'supplier relationship management -> srm server -> technical basic settings -> define backend systems', change function module bbp_logical_system_getdetail call transaction se37, create function module control_record_get_dialog_dest start transaction se80, medium            11      destinationlong              15      rfc destinationheading           15       rfc destination 2, normal function module                     update module, table bbp_backend_dest call transaction se11, type = bbp_backend_dest-dest_dialog                     select 'pass, create function module control_record_get_dialog_dest, maintain table bbp_backend_dest create, enter database table bbp_backend_dest
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