[Error] 
Class 'OptimalGroup\CModule' not found (0)
/home/bitrix/www/local/php_interface/include/OptimalGroup/City.php:104
#0: OptimalGroup\City->GetListByRegion(NULL)
	/home/bitrix/www/local/php_interface/include/OptimalGroup/City.php:221
#1: OptimalGroup\City->Init(NULL)
	/home/bitrix/www/local/php_interface/init.php:140
#2: RedirectAndSetRegion()
	/home/bitrix/www/bitrix/modules/main/classes/general/module.php:475
#3: ExecuteModuleEventEx(array)
	/home/bitrix/www/bitrix/modules/main/include.php:568
#4: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog_before.php:14
#5: require_once(string)
	/home/bitrix/www/bitrix/modules/main/include/prolog.php:10
#6: require_once(string)
	/home/bitrix/www/bitrix/header.php:1
#7: require(string)
	/home/bitrix/www/promo/index.php:2
#8: include_once(string)
	/home/bitrix/www/bitrix/modules/main/include/urlrewrite.php:159
#9: include_once(string)
	/home/bitrix/www/bitrix/urlrewrite.php:2