Solution : https://service.sap.com/sap/support/notes/727838 (SAP Service marketplace login required)
Key words :
prerequisites field 'returns item' exists, system offers field massekpo-retpo, ekpo-retpo reason, massekpo-retpo, field contents, system issues, transaction memasspo, execute memasspo, success message, terms memasspo
Related Notes :
| 501853 | FAQ: Mass changes in purchasing |