Solution : https://service.sap.com/sap/support/notes/68074 (SAP Service marketplace login required)
Key words :
additional key words idoc processing, edi invoice receipt, foreground call transaction, 'back' key, cancel processing, prerequisites solution, standard system, release 31h, advance correction, processing
Related Notes :
142642 | ALE inbound invoices FI:collective note f. INVOIC |
95887 | IDoc has status 51 although successfully parked |