Fatal error: Uncaught Error: Call to a member function is_sold_out() on null in /home/customer/www/ei1.com/public_html/wp-content/plugins/Administrate-WPPlugin-master/wordpress-components/widgets/checkout/AdministrateWidgetCheckout.php:180 Stack trace: #0 /home/customer/www/ei1.com/public_html/wp-content/plugins/Administrate-WPPlugin-master/wordpress-components/AdministratePluginPublic.php(194): AdministrateWidgetCheckout->run() #1 /home/customer/www/ei1.com/public_html/wp-includes/class-wp-hook.php(310): AdministratePluginPublic->append_page_widget('<div class="et-...') #2 /home/customer/www/ei1.com/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters('<div class="et-...', Array) #3 /home/customer/www/ei1.com/public_html/wp-includes/post-template.php(256): apply_filters('the_content', '[et_pb_section ...') #4 /home/customer/www/ei1.com/public_html/wp-content/themes/Divi/page.php(46): the_content() #5 /home/customer/www/ei1.com/public_html/wp-includes/template-loader.php(106): include('/home/customer/...') #6 / in /home/customer/www/ei1.com/public_html/wp-content/plugins/Administrate-WPPlugin-master/wordpress-components/widgets/checkout/AdministrateWidgetCheckout.php on line 180