[Error] 
Class 'CMailbox' not found (0)
/home/m/melabiru/public_html/bitrix/modules/main/classes/mysql/agent.php(168) : eval()'d code:1
#0: eval
	/home/m/melabiru/public_html/bitrix/modules/main/classes/mysql/agent.php:168
#1: CAgent::ExecuteAgents(string)
	/home/m/melabiru/public_html/bitrix/modules/main/classes/mysql/agent.php:40
#2: CAgent::CheckAgents()
	/home/m/melabiru/public_html/bitrix/modules/main/include.php:271
#3: require_once(string)
	/home/m/melabiru/public_html/bitrix/modules/main/include/prolog_before.php:14
#4: require_once(string)
	/home/m/melabiru/public_html/bitrix/modules/main/include/prolog.php:10
#5: require_once(string)
	/home/m/melabiru/public_html/bitrix/header.php:1
#6: require(string)
	/home/m/melabiru/public_html/blog/index.php:2