Solution : https://service.sap.com/sap/support/notes/193921 (SAP Service marketplace login required)
Key words :
additional key words gn_invoice_create, differing preceeding document numbers, system bills data records, preceeding item numbers, subsequent data records, general billing interface, symptom billing documents, billing documents, data record, xkomfkgn-vgbel
Related Notes :
145476 | RVAFSS00: Billing documents have only one item |
113611 | BCD_FIELD_OVERFLOW for general billing interface |
67481 | General billing document interface - collective note |