[Error] 
Class 'SiteInfoBlock' not found (0)
/var/virtual/www/rktv/diaghilevfest.ru/data/local/components/vigroup/media_filter/component.php:18
#0: include
	/var/virtual/www/rktv/diaghilevfest.ru/data/bitrix/modules/main/classes/general/component.php:604
#1: CBitrixComponent->__includeComponent()
	/var/virtual/www/rktv/diaghilevfest.ru/data/bitrix/modules/main/classes/general/component.php:663
#2: CBitrixComponent->includeComponent(string, array, boolean)
	/var/virtual/www/rktv/diaghilevfest.ru/data/bitrix/modules/main/classes/general/main.php:1039
#3: CAllMain->IncludeComponent(string, string, array, boolean, array)
	/var/virtual/www/rktv/diaghilevfest.ru/data/en/media/mediatec/tags.php:47