Solution : https://service.sap.com/sap/support/notes/367650 (SAP Service marketplace login required)
Key words :
mm document number object 're_beleg', additional key words mr1m, mm document numbers exist, large document number gap, document number gaps occur, large gap interval, unsuccessful posting attempt, executing background transactions, assigned sufficiently early, document number assignment
Related Notes :
| 366825 | MIRO: Gaps in MM document numbers and external FI numbers |