Fatal error: Uncaught Error: Class "WC_Subscriptions_Cart" not found in /customers/7/8/7/cekura.dk/httpd.www/wp-content/plugins/custom-start-date-for-woocommerce-subscriptions/includes/wscsd-cart-2.php:447
Stack trace:
#0 /customers/7/8/7/cekura.dk/httpd.www/wp-includes/class-wp-hook.php(324): wscsd_remove_delayed_cost(Object(WC_Cart))
#1 /customers/7/8/7/cekura.dk/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array)
#2 /customers/7/8/7/cekura.dk/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#3 /customers/7/8/7/cekura.dk/httpd.www/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1406): do_action('woocommerce_bef...', Object(WC_Cart))
#4 /customers/7/8/7/cekura.dk/httpd.www/wp-includes/class-wp-hook.php(322): WC_Cart->calculate_totals()
#5 /customers/7/8/7/cekura.dk/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#6 /customers/7/8/7/cekura.dk/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#7 /customers/7/8/7/cekura.dk/httpd.www/wp-content/plugins/woocommerce/includes/class-wc-cart.php(1286): do_action('woocommerce_add...', '5566ab5f1223831...', 144522, 1, 0, Array, Array)
#8 /customers/7/8/7/cekura.dk/httpd.www/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php(842): WC_Cart->add_to_cart(144522, 1)
#9 /customers/7/8/7/cekura.dk/httpd.www/wp-content/plugins/woocommerce/includes/class-wc-form-handler.php(814): WC_Form_Handler::add_to_cart_handler_simple(144522)
#10 /customers/7/8/7/cekura.dk/httpd.www/wp-includes/class-wp-hook.php(324): WC_Form_Handler::add_to_cart_action('')
#11 /customers/7/8/7/cekura.dk/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#12 /customers/7/8/7/cekura.dk/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#13 /customers/7/8/7/cekura.dk/httpd.www/wp-settings.php(717): do_action('wp_loaded')
#14 /customers/7/8/7/cekura.dk/httpd.www/wp-config.php(91): require_once('/customers/7/8/...')
#15 /customers/7/8/7/cekura.dk/httpd.www/wp-load.php(50): require_once('/customers/7/8/...')
#16 /customers/7/8/7/cekura.dk/httpd.www/wp-blog-header.php(13): require_once('/customers/7/8/...')
#17 /customers/7/8/7/cekura.dk/httpd.www/index.php(17): require('/customers/7/8/...')
#18 {main}
  thrown in /customers/7/8/7/cekura.dk/httpd.www/wp-content/plugins/custom-start-date-for-woocommerce-subscriptions/includes/wscsd-cart-2.php on line 447