Solution : https://service.sap.com/sap/support/notes/307713 (SAP Service marketplace login required)
Key words :
open purchase order items exist, additional key words m7001, purchase order item, error message m7001, check table xebefu, error message m7064, mrp-relevant quantities, confirmation control key, transaction mb0a alternatively, confirmation control customizing
Related Notes :
| 499071 | Info M7001: 'Please check table XEBEFU ...' |