this is the error
Un errore di E_ERROR è stato causato nella linea 173 del file /home/customer/www/raffaellopoint.com/public_html/wp-content/themes/online-shop/acmethemes/sidebar-widget/acme-about.php. Messaggio di errore: Uncaught Error: Call to undefined function online_shop_adv_link_options() in /home/customer/www/raffaellopoint.com/public_html/wp-content/themes/online-shop/acmethemes/sidebar-widget/acme-about.php:173
Stack trace:
#0 /home/customer/www/raffaellopoint.com/public_html/wp-includes/class-wp-widget.php(535): Online_Shop_About->form(Array)
#1 /home/customer/www/raffaellopoint.com/public_html/wp-admin/includes/widgets.php(276): WP_Widget->form_callback(Array)
#2 /home/customer/www/raffaellopoint.com/public_html/wp-includes/class-wp-customize-widgets.php(1148): wp_widget_control(Array, Array)
#3 /home/customer/www/raffaellopoint.com/public_html/wp-includes/class-wp-customize-widgets.php(1096): WP_Customize_Widgets->get_widget_control(Array)
#4 /home/customer/www/raffaellopoint.com/public_html/wp-includes/class-wp-customize-widgets.php(714): WP_Customize_Widgets->get_available_widgets()
#5 /home/customer/www/raffaellopoint.com/public_html/wp-includes/class-wp-hook.php(324): WP_Customize_Widgets->enqueue_scripts(”)
#