Solution : https://service.sap.com/sap/support/notes/196819 (SAP Service marketplace login required)
Key words :
type short textthousand_sep type char1 single-character indicator, type passvalue short textiv_db_mask type atsch, type passvalue short textiv_user_mask type atsch, type short textev_user_mask type atsch, type short textev_db_mask type atsch, template add import parameter thousand_sep, single-character indicatoriv_tho_sep type char1, database formatimportparamname type spec, additional key words characteristic, user settingsimportparamname type spec
Related Notes :
| 514379 | User setting conflict - template in the characteristic |
| 304576 | Generate IDoc:Multi-value numeric characteristics |
| 205264 | ALE: Error message C1890 when creating sales order |
| 199531 | User setting: Decimal format, IDoc |