Based on the screenshots you have attached, it seems that you are showing the option to choose the locale on the installation of Solution Manager instead of the Virtual DataPort Administration Tool.
However, I would still try to check the i18n option of the base view by opening the base view and going to Options > Search Methods. Check the Default i18n and see if the correct i18n has been selected.
Also, the issue could be due to the version of the Microsoft SQL Server JDBC Driver. I would try to change the datasource configuration and connect using the driver available in the following directory:
Then recreate the base view to see if the issue it resolved.
If the issue persists, I would recommend raising a case in the [Support Site](https://support.denodo.com/).
Hope this helps!