Fatal error: Uncaught Error: Undefined class constant 'ALERT' in /home/xs618120/w-w-m.jp/public_html/wp-content/plugins/happy-elementor-addons/extensions/custom-mouse-cursor.php:134 Stack trace: #0 /home/xs618120/w-w-m.jp/public_html/wp-content/plugins/happy-elementor-addons/extensions/custom-mouse-cursor.php(124): Happy_Addons\Elementor\Extension\Custom_Mouse_Cursor->add_content_controls(Object(Elementor\Element_Section)) #1 /home/xs618120/w-w-m.jp/public_html/wp-includes/class-wp-hook.php(289): Happy_Addons\Elementor\Extension\Custom_Mouse_Cursor->register_controls(Object(Elementor\Element_Section)) #2 /home/xs618120/w-w-m.jp/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters('', Array) #3 /home/xs618120/w-w-m.jp/public_html/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #4 /home/xs618120/w-w-m.jp/public_html/wp-content/plugins/elementor/includes/base/controls-stack.php(1635): do_action('elementor/eleme...', Object(Elementor\Element_Section), Array) #5 /home/xs618120/w-w-m.jp/public_html/wp-c in /home/xs618120/w-w-m.jp/public_html/wp-content/plugins/happy-elementor-addons/extensions/custom-mouse-cursor.php on line 134