Solution : https://service.sap.com/sap/support/notes/634150 (SAP Service marketplace login required)
Key words :
transaction mir7 'park incoming invoice', mm document number object 're_beleg', document number gaps occur sporadically, mm incoming invoice, park incoming invoices, document number assignment, fi document number, external number assignment, fi document numbers, terms bapi_incominginvoice_park reason
Related Notes :
| 787630 | MIR7: Customer exit EXIT_SAPLMRMC_002 |
| 452127 | MIRO: Standard number assignment per company code |
| 424974 | Invoice receipt: Error in different updates |
| 366825 | MIRO: Gaps in MM document numbers and external FI numbers |