Fatal error: Uncaught Error: Call to undefined function is_cart() in /mnt/web403/d0/40/59959640/htdocs/WordPress_SecureMode_01/wp-content/plugins/woocommerce-germanized/includes/class-wc-gzd-checkout.php:158 Stack trace: #0 /mnt/web403/d0/40/59959640/htdocs/WordPress_SecureMode_01/wp-includes/class-wp-hook.php(292): WC_GZD_Checkout->maybe_remove_shopmark_filters('') #1 /mnt/web403/d0/40/59959640/htdocs/WordPress_SecureMode_01/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #2 /mnt/web403/d0/40/59959640/htdocs/WordPress_SecureMode_01/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #3 /mnt/web403/d0/40/59959640/htdocs/WordPress_SecureMode_01/wp-includes/template-loader.php(13): do_action('template_redire...') #4 /mnt/web403/d0/40/59959640/htdocs/WordPress_SecureMode_01/wp-blog-header.php(19): require_once('/mnt/web403/d0/...') #5 /mnt/web403/d0/40/59959640/htdocs/WordPress_SecureMode_01/index.php(17): require('/mnt/web403/d0/...') #6 {main} thrown in /mnt/web403/d0/40/59959640/htdocs/WordPress_SecureMode_01/wp-content/plugins/woocommerce-germanized/includes/class-wc-gzd-checkout.php on line 158