[Error] 
Call to a member function IsAuthorized() on string (0)
/data/www/bitrix/local/php_interface/include/xguard/events.php:1155
#0: OnBeforeEventAddHandlerCompatible(string, string, array, string, array, string)
	/data/shared/bitrix/modules/main/classes/general/module.php:475
#1: ExecuteModuleEventEx(array, array)
	/data/shared/bitrix/modules/main/classes/general/event.php:62
#2: CAllEvent::Send(string, string, array)
	/data/shared/bitrix/modules/security/classes/general/antivirus.php:180
#3: CSecurityAntiVirus::OnPageStart()
	/data/shared/bitrix/modules/main/classes/general/module.php:490
#4: ExecuteModuleEventEx(array)
	/data/shared/bitrix/modules/main/include.php:281
#5: require_once(string)
	/data/shared/bitrix/modules/main/include/prolog_before.php:14
#6: require_once(string)
	/data/shared/bitrix/modules/main/include/prolog.php:10
#7: require_once(string)
	/data/shared/bitrix/header.php:1
#8: require(string)
	/data/www/bitrix/index.php:3