Problem: The client transferred a webshop to a new server and discovered that some taxonomies were set to English instead of Dutch. As a result, the taxonomies that should have been connected were disconnected, and the language switcher was not functioning correctly. Solution: We recommended the client to open the taxonomy edit screen and use the "This is a translation of" option to reconnect the taxonomies with their correct translations. This should resolve the issue with the language switcher not working properly.
Please note that this solution might be outdated or not applicable to your case. If this does not solve your issue, we highly recommend checking the related known issues, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If you're still experiencing difficulties, please do not hesitate to open a new support ticket with us.
