[Error] 
Class 'CIBlockElement' not found (0)
/home/bitrix/ext_www/shop.t-znak.pro/include/shop2019/catalog.php:9
#0: include
	/home/bitrix/ext_www/temp.t-znak.pro/bitrix/modules/main/classes/general/main.php:1360
#1: CAllMain->IncludeFile(string, array, array)
	/home/bitrix/ext_www/shop.t-znak.pro/index.php:29