Solution : https://service.sap.com/sap/support/notes/1080874 (SAP Service marketplace login required)
Key words :
fi document line items including, fp-diff-gl reason, - call transaction sm30 - enter, fi tax table bset, tax_services choose maintain, contact sap support, fi documents, table contents, tax information, support package
Related Notes :
| 1065008 | Incorr BSET-TXGRP if tax code exists several times in BSET |
| 1010793 | TXGRP in BSEG incorrect if AWTYP = FKKSU or in ALE processes |
| 887711 | TXGRP incorrect with manual tax lines |