Sets a locale as the visitor primary locale for the site.
Only one locale can be set as the visitor primary locale at a time. When you update the visitor primary locale, site visitors see the new default language on their next page load.
The specified locale's visibility must be set to "VISIBLE".
You can only call this method when authenticated as a Wix app or Wix user identity.
There is 1 error with this status code.
This method may also return standard errors. Learn more about standard Wix errors.