Fatal error: Uncaught Error: Call to undefined function storefront_adjust_color_brightness() in /homepages/25/d735618880/htdocs/app739244138/wp-content/plugins/storefront-mega-menus/includes/class-smm-frontend.php:73 Stack trace: #0 /homepages/25/d735618880/htdocs/app739244138/wp-includes/class-wp-hook.php(286): SMM_Frontend->enqueue_storefront_specific_styles('') #1 /homepages/25/d735618880/htdocs/app739244138/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /homepages/25/d735618880/htdocs/app739244138/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /homepages/25/d735618880/htdocs/app739244138/wp-includes/script-loader.php(1447): do_action('wp_enqueue_scri...') #4 /homepages/25/d735618880/htdocs/app739244138/wp-includes/class-wp-customize-manager.php(455): wp_enqueue_scripts() #5 /homepages/25/d735618880/htdocs/app739244138/wp-includes/class-wp-customize-manager.php(552): WP_Customize_Manager->wp_die(0, 'Non-existent ch...') #6 /homepages/25/d735618880/htdocs/app739244138/wp-includes/c in /homepages/25/d735618880/htdocs/app739244138/wp-content/plugins/storefront-mega-menus/includes/class-smm-frontend.php on line 73