Solution : https://service.sap.com/sap/support/notes/776434 (SAP Service marketplace login required)
Key words :
create/change material bom, doc-bom-link reason, doc-bom-link, object link enables, define object links, object link stpo_doc, identical material items, material xxx exists, relevant material item, document info records
Related Notes :
| 1156829 | Important SAP notes for the SAP PLM interface |
| 804752 | CDESK: Runtime error CONVT_NO_NUMBER with material BOM |
| 776873 | CSAP_MAT_BOM_READ: Document links are displyed twice |