Здравствуйте, как исправить ошибку — Error displaying the error page: Application Instantiation Error: Failed to start the session because headers have already been sent by "Z:\home\localhost\www\droopi\index.php" at line 1.
Fatal error: Call to undefined function is_cart() in /home/tdintegral/public_html/sam-internet.ru/wp-content/plugins/saphali-woocommerce-lite/saphali-woocommerce-lite.php on line 328
