[RuntimeException] 
Could not start session because headers have already been sent. "/home/r/refburhk/progermetik.ru/public_html/torvens/index.php":31. (0)
/home/r/refburhk/progermetik.ru/public_html/bitrix/modules/main/lib/session/session.php:143
#0: Bitrix\Main\Session\Session->start()
	/home/r/refburhk/progermetik.ru/public_html/bitrix/modules/main/lib/session/kernelsessionproxy.php:47
#1: Bitrix\Main\Session\KernelSessionProxy->start()
	/home/r/refburhk/progermetik.ru/public_html/bitrix/modules/main/include.php:182
#2: require_once(string)
	/home/r/refburhk/progermetik.ru/public_html/bitrix/modules/main/include/prolog_before.php:19
#3: require(string)
	/home/r/refburhk/progermetik.ru/public_html/torvens/index.php:47
----------