[RuntimeException] Could not start session because headers have already been sent. "/home/fav/1.fav.z8.ru/docs/404.php":1. (0) /home/fav/1.fav.z8.ru/docs/bitrix/modules/main/lib/session/session.php:144 #0: Bitrix\Main\Session\Session->start() /home/fav/1.fav.z8.ru/docs/bitrix/modules/main/lib/session/kernelsessionproxy.php:47 #1: Bitrix\Main\Session\KernelSessionProxy->start() /home/fav/1.fav.z8.ru/docs/bitrix/modules/main/include.php:168 #2: require_once(string) /home/fav/1.fav.z8.ru/docs/bitrix/modules/main/include/prolog_before.php:19 #3: require(string) /home/fav/1.fav.z8.ru/docs/404.php:7 #4: include_once(string) /home/fav/1.fav.z8.ru/docs/bitrix/urlrewrite.php:4 ----------