Solution : https://service.sap.com/sap/support/notes/1337425 (SAP Service marketplace login required)
Key words :
portal personalization -> user profile -> general information tab -> language property, locale language decimal point, valid decimal point indicator, recognized decimal point indicator, portal language property, item details iview accept, mdm item details iview, real field values entered, mdm sp06 patch05, item details field
Related Notes :
| 1251241 | Entering fractions in a Numeric attribute/real field |