Fatal error: Uncaught Error: Class 'Elementor\Scheme_Color' not found in /var/www/clients/client2385/web6128/web/GR2022/wp-content/plugins/timeline-for-wp-elementor/widgets/wpte-timeline .php:140 Stack trace: #0 /var/www/clients/client2385/web6128/web/GR2022/wp-content/plugins/elementor/includes/base/controls-stack.php(2280): WPMTE\Widgets\WP_Timeline->_register_controls() #1 /var/www/clients/client2385/web6128/web/GR2022/wp-content/plugins/elementor/includes/base/controls-stack.php(494): Elementor\Controls_Stack->init_controls() #2 /var/www/clients/client2385/web6128/web/GR2022/wp-content/plugins/elementor/includes/base/widget-base.php(177): Elementor\Controls_Stack->get_stack() #3 /var/www/clients/client2385/web6128/web/GR2022/wp-content/plugins/elementor/includes/base/controls-stack.php(300): Elementor\Widget_Base->get_stack() #4 /var/www/clients/client2385/web6128/web/GR2022/wp-content/plugins/elementor/includes/base/controls-stack.php(2369): Elementor\Controls_Stack->get_controls() #5 /var/www/clients/client2385/web6 in /var/www/clients/client2385/web6128/web/GR2022/wp-content/plugins/timeline-for-wp-elementor/widgets/wpte-timeline .php on line 140