Solution : https://service.sap.com/sap/support/notes/409025 (SAP Service marketplace login required)
Key words :
additional key words vbrk-xblnr, symptom error message f5480, missing reference document numbers, field reference document number, field 'reference number', fields vbrk-xblnr, document type rv, created billing documents, billing document, bkpf-xblnr
Related Notes :
| 406115 | Transfer of billing docs to FI: Reference number is missing |