[RuntimeException] Could not start session because headers have already been sent. "/NFS/site/www/ufacity.info/bitrix/header.php":3. (0) /NFS/site/www/ufacity.info/bitrix/modules/main/lib/session/session.php:151 #0: Bitrix\Main\Session\Session->start /NFS/site/www/ufacity.info/bitrix/modules/main/lib/session/kernelsessionproxy.php:47 #1: Bitrix\Main\Session\KernelSessionProxy->start /NFS/site/www/ufacity.info/bitrix/modules/main/include.php:180 #2: require_once(string) /NFS/site/www/ufacity.info/bitrix/modules/main/include/prolog_before.php:19 #3: require_once(string) /NFS/site/www/ufacity.info/bitrix/modules/main/include/prolog.php:10 #4: require_once(string) /NFS/site/www/ufacity.info/bitrix/header.php:7 #5: require(string) /NFS/site/www/ufacity.info/dnd/index.php:38 ----------