Fatal error: Uncaught Error: Undefined class constant 'ALERT' in /home/mirai0312/service-lp.net/public_html/seika.hosyou.service-lp.net/wp-content/plugins/happy-elementor-addons/extensions/custom-mouse-cursor.php:112 Stack trace: #0 /home/mirai0312/service-lp.net/public_html/seika.hosyou.service-lp.net/wp-content/plugins/happy-elementor-addons/extensions/custom-mouse-cursor.php(102): Happy_Addons\Elementor\Extension\Custom_Mouse_Cursor->add_content_controls(Object(Elementor\Element_Section)) #1 /home/mirai0312/service-lp.net/public_html/seika.hosyou.service-lp.net/wp-includes/class-wp-hook.php(310): Happy_Addons\Elementor\Extension\Custom_Mouse_Cursor->register_controls(Object(Elementor\Element_Section)) #2 /home/mirai0312/service-lp.net/public_html/seika.hosyou.service-lp.net/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #3 /home/mirai0312/service-lp.net/public_html/seika.hosyou.service-lp.net/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #4 /home/mirai0312/service-lp.net/public_html/se in /home/mirai0312/service-lp.net/public_html/seika.hosyou.service-lp.net/wp-content/plugins/happy-elementor-addons/extensions/custom-mouse-cursor.php on line 112