Solution : https://service.sap.com/sap/support/notes/732278 (SAP Service marketplace login required)
Key words :
business object 'ekko', business object 'bus2012', business object, purchase order, lower releases, optical archive, archiving link, attachment list, toa_dara-object_id, xobjid reason
Related Notes :
| 304541 | Display of originals does not work in purchasing |