3480707 - Quantity is blank in supplier invoice created with Invoicing Plan Settlement

Supplier invoice is created with 'Create Invoicing Plan Settlement' or with a scheduled job with 'Schedule Supplier Invoice Jobs - Advanced' , however when checking the supplier invoice, the quantity in the invoice is blank.

S/4Hana Cloud Public Edition

1. Create Purchase Order with Invoicing Plan (Account assignment added, PO is not GR based and there is no GR based IV, Supplier has ERS enabled in Supplier Master Data)
2. Create invoice with 'Create Invoicing Plan Settlement' or schedule job with 'Schedule Supplier Invoice Jobs - Advanced'
3. Invoice is created
4. Open Supplier Invoices List and check supplier invoice: the quantity in the invoice is blank

This is standard system behaviour.

If supplier invoice is created with invoicing plan settlement (MRIS), the quantity will be blank. 
If supplier invoice is created with MIRO, the quantity will be visible. 

SAP Help Portal Create Invoicing Plan Settlement

SAP Help Portal Creating an Invoicing Plan

Create Invoicing Plan Settlement, Schedule Supplier Invoice Jobs Advanced, MRIS, MIRO , KBA , MM-FIO-IV-2CL , Fiori UI for Invoice Verification (Public Cloud) , Problem