Solution : https://service.sap.com/sap/support/notes/918545 (SAP Service marketplace login required)
Key words :
background change material required behavior, assistant change document status copy, create/change/versioning implement, version assign document create, assistant create material -, material bom maintenance, document structure maintenance, create/change/versioning, assign change number, gf_doc_checkin_with_ecm parameter directly
Related Notes :
700428 | CDESK: Engineering Change Management function in CAD desktop |
628911 | CDESK: Document structure with engineering change management |