Solution : https://service.sap.com/sap/support/notes/546604 (SAP Service marketplace login required)
Key words :
'dynpro standard size' checkbox, session menu -> process session, 'process/foreground' radio button, batch input session indicator, batch input session, application document posted, required entry fields, call transaction sm35, important idoc segments, idoc types invoic01
Related Notes :
| 150120 | EDI INVOIC01: Posting external invoices into FI |
| 137686 | ALE_INVOIC01: Internal allocatn Customizing in FI |
| 127178 | Questions about user exits in IDoc INVOIC01 (FI) |