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Fatal error: Uncaught Error: Class "Elementor\Scheme_Color" not found in /home4/houstany/public_html/wp-content/plugins/header-footer-elementor/inc/widgets-manager/widgets/class-retina.php:384 Stack trace: #0 /home4/houstany/public_html/wp-content/plugins/header-footer-elementor/inc/widgets-manager/widgets/class-retina.php(112): HFE\WidgetsManager\Widgets\Retina->register_retina_image_styling_controls() #1 /home4/houstany/public_html/wp-content/plugins/header-footer-elementor/inc/widgets-manager/widgets/class-retina.php(101): HFE\WidgetsManager\Widgets\Retina->register_controls() #2 /home4/houstany/public_html/wp-content/plugins/elementor/includes/base/controls-stack.php(2384): HFE\WidgetsManager\Widgets\Retina->_register_controls() #3 /home4/houstany/public_html/wp-content/plugins/elementor/includes/base/widget-base.php(1065): Elementor\Controls_Stack->init_controls() #4 /home4/houstany/public_html/wp-content/plugins/elementor/includes/base/controls-stack.php(569): Elementor\Widget_Base->init_controls() #5 /home4/houstany/public_html/wp-content/plugins/elementor/includes/base/widget-base.php(192): Elementor\Controls_Stack->get_stack() #6 /home4/houstany/public_html/wp-content/plugins/elementor/includes/base/controls-stack.php(314): Elementor\Widget_Base->get_stack() #7 /home4/houstany/public_html/wp-content/plugins/elementor/includes/base/controls-stack.php(2475): Elementor\Controls_Stack->get_controls() #8 /home4/houstany/public_html/wp-content/plugins/elementor/includes/base/controls-stack.php(1158): Elementor\Controls_Stack->sanitize_settings(Array) #9 /home4/houstany/public_html/wp-content/plugins/elementor/includes/base/controls-stack.php(2218): Elementor\Controls_Stack->get_data('settings') #10 /home4/houstany/public_html/wp-content/plugins/elementor/core/base/base-object.php(142): Elementor\Controls_Stack->get_init_settings() #11 /home4/houstany/public_html/wp-content/plugins/elementor/core/base/base-object.php(40): Elementor\Core\Base\Base_Object->ensure_settings() #12 /home4/houstany/public_html/wp-content/plugins/elementor/core/files/css/post.php(296): Elementor\Core\Base\Base_Object->get_settings() #13 /home4/houstany/public_html/wp-content/plugins/elementor/core/files/css/post.php(226): Elementor\Core\Files\CSS\Post->render_styles(Object(HFE\WidgetsManager\Widgets\Retina)) #14 /home4/houstany/public_html/wp-content/plugins/elementor/core/files/css/post.php(298): Elementor\Core\Files\CSS\Post->add_controls_stack_style_rules(Object(Elementor\Element_Column), Array, Array, Array, Array) #15 /home4/houstany/public_html/wp-content/plugins/elementor/core/files/css/post.php(226): Elementor\Core\Files\CSS\Post->render_styles(Object(Elementor\Element_Column)) #16 /home4/houstany/public_html/wp-content/plugins/elementor/core/files/css/post.php(298): Elementor\Core\Files\CSS\Post->add_controls_stack_style_rules(Object(Elementor\Element_Section), Array, Array, Array, Array) #17 /home4/houstany/public_html/wp-content/plugins/elementor/core/files/css/post.php(178): Elementor\Core\Files\CSS\Post->render_styles(Object(Elementor\Element_Section)) #18 /home4/houstany/public_html/wp-content/plugins/elementor/core/files/css/base.php(680): Elementor\Core\Files\CSS\Post->render_css() #19 /home4/houstany/public_html/wp-content/plugins/elementor/core/files/base.php(180): Elementor\Core\Files\CSS\Base->parse_content() #20 /home4/houstany/public_html/wp-content/plugins/elementor/core/files/css/base.php(131): Elementor\Core\Files\Base->update_file() #21 /home4/houstany/public_html/wp-content/plugins/elementor/core/files/css/base.php(227): Elementor\Core\Files\CSS\Base->update() #22 /home4/houstany/public_html/wp-content/plugins/elementor/core/files/css/post.php(201): Elementor\Core\Files\CSS\Base->enqueue() #23 /home4/houstany/public_html/wp-content/plugins/header-footer-elementor/inc/class-header-footer-elementor.php(293): Elementor\Core\Files\CSS\Post->enqueue() #24 /home4/houstany/public_html/wp-includes/class-wp-hook.php(324): Header_Footer_Elementor->enqueue_scripts('') #25 /home4/houstany/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #26 /home4/houstany/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #27 /home4/houstany/public_html/wp-includes/script-loader.php(2272): do_action('wp_enqueue_scri...') #28 /home4/houstany/public_html/wp-includes/class-wp-hook.php(324): wp_enqueue_scripts('') #29 /home4/houstany/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #30 /home4/houstany/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #31 /home4/houstany/public_html/wp-includes/general-template.php(3064): do_action('wp_head') #32 /home4/houstany/public_html/wp-content/themes/astra/header.php(26): wp_head() #33 /home4/houstany/public_html/wp-includes/template.php(810): require_once('/home4/houstany...') #34 /home4/houstany/public_html/wp-includes/template.php(745): load_template('/home4/houstany...', true, Array) #35 /home4/houstany/public_html/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #36 /home4/houstany/public_html/wp-content/themes/astra/404.php(15): get_header() #37 /home4/houstany/public_html/wp-includes/template-loader.php(106): include('/home4/houstany...') #38 /home4/houstany/public_html/wp-blog-header.php(19): require_once('/home4/houstany...') #39 /home4/houstany/public_html/index.php(17): require('/home4/houstany...') #40 {main} thrown in /home4/houstany/public_html/wp-content/plugins/header-footer-elementor/inc/widgets-manager/widgets/class-retina.php on line 384