Solution : https://service.sap.com/sap/support/notes/892841 (SAP Service marketplace login required)
Key words :
enterprise buyer professional edition, supplier relationship management, apply manual corrections, sap enterprise buyer, current javascript logic, note id -> attachments, material group entry, attached correction instruction, settings > maintain attributes, valid standard selection
Related Notes :
684007 | EBP 4.0: BBPATTRMAINT - JS error when changing attributes |
110909 | Composite SAP note on generic attributes |