Fatal error: Uncaught Error: Call to undefined function WPDesk\FCF\Free\Form\is_checkout() in /webroot/m/o/monik003/primary/www/wp/wp-content/plugins/flexible-checkout-fields/src/Form/Assets.php:40 Stack trace: #0 /webroot/m/o/monik003/primary/www/wp/wp-includes/class-wp-hook.php(307): WPDesk\FCF\Free\Form\Assets->load_front_assets() #1 /webroot/m/o/monik003/primary/www/wp/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters() #2 /webroot/m/o/monik003/primary/www/wp/wp-includes/plugin.php(476): WP_Hook->do_action() #3 /webroot/m/o/monik003/primary/www/wp/wp-includes/script-loader.php(2156): do_action() #4 /webroot/m/o/monik003/primary/www/wp/wp-includes/class-wp-hook.php(307): wp_enqueue_scripts() #5 /webroot/m/o/monik003/primary/www/wp/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters() #6 /webroot/m/o/monik003/primary/www/wp/wp-includes/plugin.php(476): WP_Hook->do_action() #7 /webroot/m/o/monik003/primary/www/wp/wp-includes/general-template.php(3042): do_action() #8 /webroot/m/o/monik003/primary/www/wp/wp-content/themes/Divi/header.php(27): wp_head() #9 /webroot/m/o/monik003/primary/www/wp/wp-includes/template.php(770): require_once('...') #10 /webroot/m/o/monik003/primary/www/wp/wp-includes/template.php(716): load_template() #11 /webroot/m/o/monik003/primary/www/wp/wp-includes/general-template.php(48): locate_template() #12 /webroot/m/o/monik003/primary/www/wp/wp-content/themes/Divi/single.php(3): get_header() #13 /webroot/m/o/monik003/primary/www/wp/wp-includes/template-loader.php(106): include('...') #14 /webroot/m/o/monik003/primary/www/wp/wp-blog-header.php(19): require_once('...') #15 /webroot/m/o/monik003/primary/www/index.php(17): require('...') #16 {main} thrown in /webroot/m/o/monik003/primary/www/wp/wp-content/plugins/flexible-checkout-fields/src/Form/Assets.php on line 40