Solution : https://service.sap.com/sap/support/notes/205264 (SAP Service marketplace login required)
Key words :
system generates error message c1890 ', additional key words idoc, create sales order, application link enabling, prerequisites solution implement, longer allowed, correction instruction, characteristic &1'
Related Notes :
199531 | User setting: Decimal format, IDoc |
199146 | Thousands comma: Transfer not possible |
196819 | User setting: Decimal notation |
192532 | IDOC: Short dump and error in format conversions |
183727 | IDoc variant configuration format f. value transfer |