Solution : https://service.sap.com/sap/support/notes/392590 (SAP Service marketplace login required)
Key words : 
archive purchase orders, higher-level item, solution implement note 165586, system assigns, deletion indicator, terms rm06ew30, full product, empties reason, program error, deactivate
Related Notes : 
       
| 165586 | Performance improvement for archiving purchasing documents |