Fatal error: Uncaught Error: Call to undefined function is_checkout() in /home/2/s/skysmile/www/wp-content/plugins/dintero-hp/includes/class-dintero-hp.php:182 Stack trace: #0 /home/2/s/skysmile/www/wp-includes/class-wp-hook.php(288): Dintero_HP->check_response('') #1 /home/2/s/skysmile/www/wp-includes/class-wp-hook.php(312): WP_Hook->apply_filters(NULL, Array) #2 /home/2/s/skysmile/www/wp-includes/plugin.php(478): WP_Hook->do_action(Array) #3 /home/2/s/skysmile/www/wp-includes/template-loader.php(13): do_action('template_redire...') #4 /home/2/s/skysmile/www/wp-blog-header.php(19): require_once('/home/2/s/skysm...') #5 /home/2/s/skysmile/www/index.php(17): require('/home/2/s/skysm...') #6 {main} thrown in /home/2/s/skysmile/www/wp-content/plugins/dintero-hp/includes/class-dintero-hp.php on line 182