Solution : https://service.sap.com/sap/support/notes/217250 (SAP Service marketplace login required)
Key words :
additional key words withholding tax, system generates message 7q301, withholding tax information missing, trigger error f5787, attached source code, withholding tax, payment transaction, vendor item, generate entries, table with_item
Related Notes :
| 307237 | Clearing OI: withholding tax line item disappears |
| 205311 | Extended withholding tax: Error 7Q328 or F5787 |