[Error] 
Class 'CCaptcha' not found (0)
/home/bitrix/www/bitrix/modules/main/classes/general/main.php:3268
#0: CAllMain->CaptchaGetCode()
	/home/bitrix/www/bitrix/components/bitrix/main.feedback/component.php:108
#1: include(string)
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:594
#2: CBitrixComponent->__includeComponent()
	/home/bitrix/www/bitrix/modules/main/classes/general/component.php:653
#3: CBitrixComponent->includeComponent(string, array, NULL)
	/home/bitrix/www/bitrix/modules/main/classes/general/main.php:1041
#4: CAllMain->IncludeComponent(string, string, array)
	/home/bitrix/www/feedback/index.php:8