Solution : https://service.sap.com/sap/support/notes/517436 (SAP Service marketplace login required)
Key words :
change type group mmcr, activate type group mmcr, transaction 'display incoming invoice', set indiciator 'manual block, parked incoming invoice, indicator 'manual block, terms frseg-spgrp, development class mrm, attached correction instructions, longer set
Related Notes :
| 506021 | MIR7: Different vendor for delivery costs |