Solution : https://service.sap.com/sap/support/notes/787630 (SAP Service marketplace login required)
Key words :
customer exit 'change criteria, posting approval parked documents', function module exit_saplmrmc_002, invoice document number, invoice document header, e_frgkz export parameter, mrm_invoice_park function module, e_frgkz type spec, rbkp-frgkz pass, i_rbkpv-belnr
Related Notes :
634150 | MIR7: Document number gaps in the parking |