It is not possible to save Form Views after translating select type fields having the User language different from the Instance Language.
Steps to Reproduce
- Go to the User Profile > Account Settings > Language > Change to non-English language;
- Go to Global Menu > Applications > App Builder > Objects > Add a Custom Object;
- Add a Form View > Add a field (must be a Select from List, Single or Multiple Selection);
- Change the Form View language > type a Form name;
- Try to save the Form View.
It is possible to save the Form.
It is NOT possible to save the Form.