RS Elements broken with latest Elementor update

The latest update to Elementor, has broken this plugin. Here are the errors we get/

Fatal error: Uncaught Error: Class 'Elementor\Scheme_Typography' not found in /home/wp_gm7ejt/redwoodperformscom.stage.site/wp-content/plugins/rselements/widgets/heading/heading.php:312 Stack trace: #0 /home/wp_gm7ejt/redwoodperformscom.stage.site/wp-content/plugins/elementor/includes/base/controls-stack.php(2280): Rsaddon_Elementor_pro_Heading_Widget->_register_controls() #1 /home/wp_gm7ejt/redwoodperformscom.stage.site/wp-content/plugins/elementor/includes/base/controls-stack.php(494): Elementor\Controls_Stack->init_controls() #2 /home/wp_gm7ejt/redwoodperformscom.stage.site/wp-content/plugins/elementor/includes/base/widget-base.php(177): Elementor\Controls_Stack->get_stack() #3 /home/wp_gm7ejt/redwoodperformscom.stage.site/wp-content/plugins/elementor/includes/base/controls-stack.php(300): Elementor\Widget_Base->get_stack() #4 /home/wp_gm7ejt/redwoodperformscom.stage.site/wp-content/plugins/elementor/includes/base/controls-stack.php(2369): Elementor\Controls_Stack->get_controls() #5 /home/wp_gm7ejt/redwoodperformscom.s in /home/wp_gm7ejt/redwoodperformscom.stage.site/wp-content/plugins/rselements/widgets/heading/heading.php on line 312