Solution : https://service.sap.com/sap/support/notes/164785 (SAP Service marketplace login required)
Key words :
additional key words m8783, function module idoc_input_invoic_mrm, idocs status '53', updated correctly, status record, document number, section corrections, corrections, idoc_input_invoic_mm, & created'
Related Notes :
| 178450 | MR1M: Error messages displayed relating to stock |