Solution : https://service.sap.com/sap/support/notes/1458008 (SAP Service marketplace login required)
Key words :
system issues error message 00 349, message type invoic, post internal clearings, edi program parameters, user exit exit_sapliedi_102, vendor line item, batch input session, advance corrections manually, field bseg-wmwst, bseg-wmwst
Related Notes :
1159470 | FBV1/2:Tax calc indicator in G/L acct item always changeable |
962639 | Message FF 796 using FBV0 (parked document change) |