Solution : https://service.sap.com/sap/support/notes/1547661 (SAP Service marketplace login required)
Key words :
mass file oploadwhen loading multiple suppliers, business object type business partner, maintain conversion class cl_smt_conversion_country_in, maintain conversion class cl_smt_conversion_language_in, idoc business partner id handling, source field bank_directory_reference-bank_country_code, source field person-non_verbal_comm_langu_code, source field person-nationality_country_code, existing business partner segments, smt error occurs due
Related Notes :
1656806 | MDG: Missing fields when extracting or importing persons |
1641154 | MDG: Time stamp for comm. data incorrectly initialized |
1629501 | MDG: File import termination because field contents too long |
1606082 | MDG EMAIL validity date (valid from) SMT mapping |
1550109 | MDG business partner: Address GUID |
1532379 | MDG: Corrections of the Data Distribution (SAP_APPL) |