[Error] 
Call to undefined function popularityCalculate() (0)
/home/bitrix/www/bitrix/modules/main/classes/mysql/agent.php(162) : eval()'d code:1
#0: eval
	/home/bitrix/www/bitrix/modules/main/classes/mysql/agent.php:162
#1: CAgent::ExecuteAgents(string)
	/home/bitrix/www/bitrix/modules/main/classes/mysql/agent.php:40
#2: CAgent::CheckAgents()
	/home/bitrix/www/bitrix/modules/main/include.php:271
#3: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#4: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#5: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#6: require(string)
	/home/bitrix/www/catalog/index.php:3
#7: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#8: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2