Problem: The client was experiencing issues with the WPML plugin on their website. Specifically, the language switcher was not appearing on the English version of the site, and accessing WPML → WP Menu Sync or editing any translated page with Elementor resulted in an HTTP 500 error. Solution: We recommended conducting a minimal environment test to isolate the issue. The steps included deactivating all plugins except WPML CMS, switching to a default WordPress theme, and then accessing WPML → WP Menu Sync. The client discovered that the 'Docket Cache' plugin was causing the issue. Upon deactivating Docket Cache, both the language switcher and WP Menu Sync functioned correctly without triggering the HTTP 500 error. The client decided to keep Docket Cache deactivated to continue working without interruptions.
If this solution does not resolve your issue, or if it seems outdated or irrelevant to your case, we highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. If problems persist, please open a new support ticket.
