Fatal error: Uncaught Error: Call to undefined function is_cart() in /homepages/29/d783743688/htdocs/clickandbuilds/BlockCaseGermany/wp-content/plugins/woocommerce-germanized/includes/class-wc-gzd-checkout.php:188 Stack trace: #0 /homepages/29/d783743688/htdocs/clickandbuilds/BlockCaseGermany/wp-includes/class-wp-hook.php(307): WC_GZD_Checkout->maybe_remove_shopmark_filters('') #1 /homepages/29/d783743688/htdocs/clickandbuilds/BlockCaseGermany/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(false, Array) #2 /homepages/29/d783743688/htdocs/clickandbuilds/BlockCaseGermany/wp-includes/plugin.php(474): WP_Hook->do_action(Array) #3 /homepages/29/d783743688/htdocs/clickandbuilds/BlockCaseGermany/wp-includes/template-loader.php(13): do_action('template_redire...') #4 /homepages/29/d783743688/htdocs/clickandbuilds/BlockCaseGermany/wp-blog-header.php(19): require_once('/homepages/29/d...') #5 /homepages/29/d783743688/htdocs/clickandbuilds/BlockCaseGermany/index.php(17): require('/homepages/29/d...') #6 {main} thrown in /homepages/29/d783743688/htdocs/clickandbuilds/BlockCaseGermany/wp-content/plugins/woocommerce-germanized/includes/class-wc-gzd-checkout.php on line 188