Uncaught Error: Class "Elementor\Core\Schemes\Typography" not found
in /home/bst/public_html/wp-content/plugins/learndash-elementor/src/App/Widgets/Course_Infobar.php on line 690

Call stack:

1. LearnDash\E\W\Course_Infobar::register_controls()
   wp-content/plugins/elementor/includes/base/controls-stack.php:2435
2. Elementor\Controls_Stack::init_controls()
   wp-content/plugins/elementor/includes/base/widget-base.php:1049
3. Elementor\Widget_Base::init_controls()
   wp-content/plugins/elementor/includes/base/controls-stack.php:570
4. Elementor\Controls_Stack::get_stack()
   wp-content/plugins/elementor/includes/base/widget-base.php:185
5. Elementor\Widget_Base::get_stack()
   wp-content/plugins/elementor/includes/base/controls-stack.php:315
6. Elementor\Controls_Stack::get_controls()
   wp-content/plugins/elementor/core/files/css/post.php:332
7. Elementor\C\F\C\Post::render_element_global_styles(LearnDash\Elementor\Widgets\Course_Infobar)
   wp-content/plugins/elementor/core/files/css/post.php:296
8. Elementor\C\F\C\Post::render_styles(LearnDash\Elementor\Widgets\Course_Infobar)
   wp-content/plugins/elementor/core/files/css/post.php:226
9. Elementor\C\F\C\Post::add_controls_stack_style_rules(Elementor\Element_Column, array, array, array, array)
   wp-content/plugins/elementor/core/files/css/post.php:318
10. Elementor\C\F\C\Post::render_element_styles(Elementor\Element_Column)
    wp-content/plugins/elementor/core/files/css/post.php:297
11. Elementor\C\F\C\Post::render_styles(Elementor\Element_Column)
    wp-content/plugins/elementor/core/files/css/post.php:226
12. Elementor\C\F\C\Post::add_controls_stack_style_rules(Elementor\Element_Section, array, array, array, array)
    wp-content/plugins/elementor/core/files/css/post.php:318
13. Elementor\C\F\C\Post::render_element_styles(Elementor\Element_Section)
    wp-content/plugins/elementor/core/files/css/post.php:297
14. Elementor\C\F\C\Post::render_styles(Elementor\Element_Section)
    wp-content/plugins/elementor/core/files/css/post.php:178
15. Elementor\C\F\C\Post::render_css()
    wp-content/plugins/elementor/core/files/css/base.php:687
16. Elementor\C\F\C\Base::parse_content()
    wp-content/plugins/elementor/core/files/base.php:180
17. Elementor\C\F\Base::update_file()
    wp-content/plugins/elementor/core/files/css/base.php:133
18. Elementor\C\F\C\Base::update()
    wp-content/plugins/elementor/core/files/css/base.php:229
19. Elementor\C\F\C\Base::enqueue()
    wp-content/plugins/elementor/core/files/css/post.php:201
20. Elementor\C\F\C\Post::enqueue()
    wp-content/plugins/elementor-pro/modules/theme-builder/classes/locations-manager.php:194
21. ElementorPro\M\T\C\Locations_Manager::enqueue_styles('')
    wp-includes/class-wp-hook.php:341
22. WP_Hook::apply_filters(NULL, array)
    wp-includes/class-wp-hook.php:365
23. WP_Hook::do_action(array)
    wp-includes/plugin.php:522
24. do_action('wp_enqueue_scripts')
    wp-includes/script-loader.php:2311
25. wp_enqueue_scripts('')
    wp-includes/class-wp-hook.php:341
26. WP_Hook::apply_filters(NULL, array)
    wp-includes/class-wp-hook.php:365
27. WP_Hook::do_action(array)
    wp-includes/plugin.php:522
28. do_action('wp_head')
    wp-includes/general-template.php:3197
29. wp_head()
    wp-content/themes/hello-elementor/header.php:23
30. require_once('/home/bst/public_htm...elementor/header.php')
    wp-includes/template.php:814
31. load_template('/home/bst/public_htm...elementor/header.php', true, array)
    wp-includes/template.php:749
32. locate_template(array, true, true, array)
    wp-includes/general-template.php:48
33. get_header()
    wp-content/themes/hello-elementor/index.php:14
34. include('/home/bst/public_htm...-elementor/index.php')
    wp-includes/template-loader.php:125
35. require_once('/home/bst/public_htm.../template-loader.php')
    wp-blog-header.php:19
36. require('/home/bst/public_html/wp-blog-header.php')
    index.php:17