Программа конференции

[Error] 
Call to undefined function ereg() (0)
/home/bitrix/www/bitrix/components/bitrix/conf.agenda/component.php:3
#0: include
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:594
#1: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:653
#2: CBitrixComponent->includeComponent(string, array, boolean)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1038
#3: CAllMain->IncludeComponent(string, string, array, boolean)
	/home/bitrix/www/conf2019/agenda/index.php:83
#4: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#5: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2