Solution : https://service.sap.com/sap/support/notes/407923 (SAP Service marketplace login required)
Key words :
additional key words reference document number, system fills field 'reference document number', system generates error message f5480 ', field 'reference document number', 'reference document number' field, symptom evaluated receipt settlement, required entry field, generated incoming invoice, /3 support package status 15, document number
Related Notes :
533885 | MRIS: Reference document number is not filled |
366825 | MIRO: Gaps in MM document numbers and external FI numbers |