Solution : https://service.sap.com/sap/support/notes/417960 (SAP Service marketplace login required)
Key words :
prerequisites program error solution source code corrections, implement note 402939 - modello 770 year 2001, modello 770 year 2001, wrong format, inail information, file transfer, current file, correct format, terms rfkqst4, withholding tax
Related Notes :
| 425794 | Fieldname missing in transmission file of modelo 770 |
| 402939 | Modelo 770 (Italy) modification for year 2001 |