Problem: The client is experiencing slow performance and critical errors when editing blog posts in the dashboard editor, with multiple error logs identified by their host coming from WPML. Solution: If you're facing similar issues, we recommend following these steps: 1. Ensure you have a full site backup or create a staging site using a plugin like WP Staging. 2. Update any outdated plugins or themes. 3. Flush any existing cache memory. 4. Deactivate all plugins, including WPML plugins. 5. Activate a default WordPress theme, such as Twenty Twenty. 6. Enable WordPress debug mode by following the guide here: https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/ 7. Reactivate the WPML plugins. 8. If the issue resolves, reactivate your theme and other plugins one by one to identify the source of the problem. 9. Check the debug.log file in the wp-content folder for any errors related to the performance issue.
Please note that this solution might be outdated or not applicable to your specific case. If these steps do not resolve your issue, 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 the problem persists, please open a new support ticket at https://wpml.org/forums/forum/english-support/ for further assistance.
