Fatal error: Uncaught Error: Class 'Elementor\Scheme_Typography' not found
in /home/mhd-01/www.harrietenglishclasses.it/htdocs/wp-content/plugins/elementor-addon-widgets/vendor/codeinwp/elementor-extra-widgets/widgets/elementor/posts-grid.php on line 895

Call stack:

1. ThemeIsle\ElementorExtraWidgets\Posts_Grid::grid_title_style_section()
   wp-content/plugins/elementor-addon-widgets/vendor/codeinwp/elementor-extra-widgets/widgets/elementor/posts-grid.php:153
2. ThemeIsle\ElementorExtraWidgets\Posts_Grid::_register_controls()
   wp-content/plugins/elementor/includes/base/controls-stack.php:2327
3. Elementor\Controls_Stack::init_controls()
   wp-content/plugins/elementor/includes/base/widget-base.php:1039
4. Elementor\Widget_Base::init_controls()
   wp-content/plugins/elementor/includes/base/controls-stack.php:496
5. Elementor\Controls_Stack::get_stack()
   wp-content/plugins/elementor/includes/base/widget-base.php:177
6. Elementor\Widget_Base::get_stack()
   wp-content/plugins/elementor/includes/base/controls-stack.php:300
7. Elementor\Controls_Stack::get_controls()
   wp-content/plugins/elementor/core/files/css/global-css.php:120
8. Elementor\C\F\C\Global_CSS::render_schemes_and_globals_css()
   wp-content/plugins/elementor/core/files/css/global-css.php:66
9. Elementor\C\F\C\Global_CSS::render_css()
   wp-content/plugins/elementor/core/files/css/base.php:659
10. Elementor\C\F\C\Base::parse_content()
    wp-content/plugins/elementor/core/files/base.php:180
11. Elementor\C\F\Base::update_file()
    wp-content/plugins/elementor/core/files/css/base.php:130
12. Elementor\C\F\C\Base::update()
    wp-content/plugins/elementor/core/files/css/base.php:217
13. Elementor\C\F\C\Base::enqueue()
    wp-content/plugins/elementor/includes/frontend.php:1048
14. Elementor\Frontend::parse_global_css_code()
    wp-content/plugins/elementor/includes/frontend.php:670
15. Elementor\Frontend::enqueue_styles()
    wp-includes/class-wp-hook.php:308
16. WP_Hook::apply_filters()
    wp-includes/class-wp-hook.php:332
17. WP_Hook::do_action()
    wp-includes/plugin.php:517
18. do_action()
    wp-includes/script-loader.php:2194
19. wp_enqueue_scripts()
    wp-includes/class-wp-hook.php:308
20. WP_Hook::apply_filters()
    wp-includes/class-wp-hook.php:332
21. WP_Hook::do_action()
    wp-includes/plugin.php:517
22. do_action()
    wp-includes/general-template.php:3049
23. wp_head()
    wp-content/themes/zerif-lite/header.php:20
24. require_once()
    wp-includes/template.php:783
25. load_template()
    wp-includes/template.php:718
26. locate_template()
    wp-includes/general-template.php:48
27. get_header()
    wp-content/themes/zerif-lite/page.php:7
28. include()
    wp-includes/template-loader.php:106
29. require_once()
    wp-blog-header.php:19
30. require()
    index.php:17