Fatal error: Uncaught Error: Class 'ElementorPro\Modules\ThemeBuilder\Documents\Single_Base' not found
in /var/www/html/wp-content/plugins/betterdocs/includes/Editors/Elementor/SingleDocs.php on line 21

Call stack:

1. include()
   wp-content/plugins/query-monitor/vendor/composer/ClassLoader.php:582
2. Composer\Autoload\{closure}()
   wp-content/plugins/query-monitor/vendor/composer/ClassLoader.php:433
3. Composer\Autoload\ClassLoader::loadClass()
4. spl_autoload_call()
   wp-content/plugins/betterdocs/includes/Editors/Elementor.php:111
5. WPDeveloper\B\E\Elementor::register_documents()
   wp-includes/class-wp-hook.php:324
6. WP_Hook::apply_filters()
   wp-includes/class-wp-hook.php:348
7. WP_Hook::do_action()
   wp-includes/plugin.php:517
8. do_action()
   wp-content/plugins/elementor/core/documents-manager.php:729
9. Elementor\Core\Documents_Manager::register_types()
   wp-content/plugins/elementor/core/documents-manager.php:178
10. Elementor\Core\Documents_Manager::get()
    wp-content/plugins/elementor/core/editor/editor.php:243
11. Elementor\C\E\Editor::is_edit_mode()
    wp-content/plugins/elementor/includes/frontend.php:197
12. Elementor\Frontend::init_render_mode()
    wp-includes/class-wp-hook.php:324
13. WP_Hook::apply_filters()
    wp-includes/class-wp-hook.php:348
14. WP_Hook::do_action()
    wp-includes/plugin.php:517
15. do_action()
    wp-includes/template-loader.php:13
16. require_once()
    wp-blog-header.php:19
17. require()
    index.php:17