[Error] 
Call to a member function isAdmin() on null (0)
/home/bitrix/ext_www/sezon.com.ua/bitrix/modules/catalog/general/product.php:904
#0: CAllCatalogProduct::GetOptimalPrice(integer, double, array, string)
	/home/bitrix/ext_www/sezon.com.ua/local/php_interface/init.php:631
#1: getFinalPriceInCurrency(string)
	/home/bitrix/ext_www/sezon.com.ua/local/php_interface/include/classes/fb_dinamic_remarketing.php:41
#2: FbDinamicRemarketing::generate()
	/home/bitrix/ext_www/sezon.com.ua/local/php_interface/init.php:580
#3: cron_fb_fid()
	/home/bitrix/ext_www/sezon.com.ua/bitrix/modules/main/classes/mysql/agent.php(161) : eval()'d code:1
#4: eval
	/home/bitrix/ext_www/sezon.com.ua/bitrix/modules/main/classes/mysql/agent.php:161
#5: CAgent::ExecuteAgents(string)
	/home/bitrix/ext_www/sezon.com.ua/bitrix/modules/main/classes/mysql/agent.php:38
#6: CAgent::CheckAgents()
	/home/bitrix/ext_www/sezon.com.ua/bitrix/modules/main/include.php:286
#7: require_once(string)
	/home/bitrix/ext_www/sezon.com.ua/bitrix/modules/main/include/prolog_before.php:14
#8: require(string)
	/home/bitrix/ext_www/sezon.com.ua/local/templates/shop_turum.0.1/ajax/card_tabs/specifications.php:5