Problem: The client is experiencing an issue where the language switcher is not showing on the header, even after clearing all cache files.
Solution: We recommend updating the WPML plugin to the latest version, currently 4.6.10, as well as all WPML add-ons. This update includes the latest bug fixes and improvements which might resolve the issue. To update, please follow the instructions provided here: http://wpml.org/faq/install-wpml/.
Before updating, ensure to back up your database to prevent any potential data loss. If the problem persists after the update, please let us know.
Please note that this solution might be irrelevant if it's outdated or not applicable to your specific case. If the issue continues, 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 still need assistance, do not hesitate to open a new support ticket: Contact WPML support.
