The editor attempts to load a stylesheet that defines layout, fonts, and icons. When the enqueue process fails, the editor renders without any styling. The error appears in the browser console and prevents you from editing pages with a proper visual interface.
WordPress registers styles using handles and URLs. Elementor relies on its own hooks to add the editor CSS. If a hook is incorrect, the handle is missing, or the file cannot be read, WordPress aborts the enqueue step. The result is a blank or partially styled editor.
Server restrictions such as file permission errors or security rules may block the CSS file. Conflicting plugins or themes can deregister the style or stop the enqueue action. Corrupted Elementor core files also produce the same symptom.