Solution : https://service.sap.com/sap/support/notes/1321071 (SAP Service marketplace login required)
Key words :
system issues error message ff 805, direct tax item, tax statement item, direct tax posting, fi posting interface, field accit-taxps, fi document, taxps reason, account key, terms fo8dm
Related Notes :
| 1223773 | IDoc BAPI BADI_TAX1_XTXIT_SET line by line tax does not work |