Solution : https://service.sap.com/sap/support/notes/351346 (SAP Service marketplace login required)
Key words :
billing quantity indicator 'b', billing-relevance 'm', incorret billing documents, delivery-related invoices -, system setting mentioned, batch main item, batch split items, delivery quantity, batch split, billing document
Related Notes :
842619 | Shipment costs are displayed incorrectly with batches |