Problem: The client was experiencing a 'Page not found' error when switching to the French translation of the homepage, despite the translation being completed.
Solution: We found that the homepage was set to display the latest posts, we recommended the following steps to resolve the issue: 1. Navigate to Dashboard > Settings > Reading > "Your homepage displays" section. 2. Change the setting to 'A static page'. 3. Select the default language homepage as the static page and save the changes.
If this solution doesn't look relevant to your issue, please feel free to open a new support ticket.