Solution : https://service.sap.com/sap/support/notes/885799 (SAP Service marketplace login required)
Key words :
message class ffmessage 796message short text, 31 vendor 100 50 expense 100 tax code v1in addition, 21 vendor 200 50 expense 100 tax code v1correct, enjoy transaction fb60 / fb70, 31 vendor 116 tax 16 tax code, 21 vendor 216 tax 16 tax code, reverse debit/ credit indicator, reverse debit/credit indicator, tax-relevant expenses items, tax-relevant expense
Related Notes :
1377320 | MIRO - Error FF 796 with manual tax and expense w/o tax code |
1293403 | Partial payment on down payments triggers error FF 796 |
1292730 | FB60 Error FF 796 - Tax cannot be withdrawn |
1037992 | Dump: Dynpro_field_conversion SAPLTAX1 0301 |
962639 | Message FF 796 using FBV0 (parked document change) |
925287 | DYNPRO_FIELD_CONVERSION with manual tax in the vendor |
924097 | Problems in FBV0 after you implemented Note 885799 |
891497 | Dump 'Dynpro_Field_Conversion' due to negative tax amount |
798372 | Manually entering tax for jurisdiction codes line by line |