Problem: You are trying to create a new page using the Elementor page builder, but encounter an issue where the screen just spins grey when clicking 'add new page'. The page doesn't load unless the WPML Multilingual CMS plugin is disabled. Solution: If you're experiencing this issue, we recommend following the steps provided in this WPML forum thread: https://wpml.org/forums/topic/fatal-error-uncaught-error-class-elementorcoreschemescolor/. This solution addresses a similar problem where a PHP Fatal error occurs due to a missing class in Elementor when WPML is enabled.
Please note that this solution might be irrelevant if it's outdated or not applicable to your specific case.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 the issue persists, please open a new support ticket at WPML support forum for further assistance.