[Error] 
Class 'CCatalogOptimizatorIndex' not found (0)
/home/bitrix/www/bitrix/php_interface/include/catalog_export/csv_smart_run.php:466
#0: include
	/home/bitrix/www/bitrix/modules/catalog/general/catalog_export.php:315
#1: CAllCatalogExport::PreGenerateExport(integer)
	/home/bitrix/www/bitrix/modules/main/classes/mysql/agent.php(161) : eval()'d code:1
#2: eval
	/home/bitrix/www/bitrix/modules/main/classes/mysql/agent.php:161
#3: CAgent::ExecuteAgents(string)
	/home/bitrix/www/bitrix/modules/main/classes/mysql/agent.php:38
#4: CAgent::CheckAgents()
	/home/bitrix/www/bitrix/modules/main/include.php:262
#5: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#6: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#7: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#8: require(string)
	/home/bitrix/www/catalog/index.php:5
#9: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#10: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2