[Error] 
Call to a member function IsAdmin() on null (0)
/var/www/vhosts/restinternational.ru/httpdocs/local/php_interface/init.php:629
#0: OnBeforeUserUpdateHandler(array)
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/modules/main/classes/general/module.php:465
#1: ExecuteModuleEventEx(array, array)
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/modules/main/classes/general/user.php:2326
#2: CAllUser->CheckFields(array, integer)
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/modules/main/classes/general/user.php:2580
#3: CAllUser->Update(integer, array)
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/modules/main/classes/general/user.php:3544
#4: CAllUser::UnblockAgent(integer)
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/modules/main/classes/mysql/agent.php(168) : eval()'d code:1
#5: eval
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/modules/main/classes/mysql/agent.php:168
#6: CAgent::ExecuteAgents(string)
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/modules/main/classes/mysql/agent.php:40
#7: CAgent::CheckAgents()
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/modules/main/include.php:271
#8: require_once(string)
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/modules/main/include/prolog_before.php:14
#9: require_once(string)
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/modules/main/include/prolog.php:10
#10: require_once(string)
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/header.php:2
#11: require(string)
	/var/www/vhosts/restinternational.ru/httpdocs/catalog/index.php:1
#12: include_once(string)
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/modules/main/include/urlrewrite.php:159
#13: include_once(string)
	/var/www/vhosts/restinternational.ru/httpdocs/bitrix/urlrewrite.php:2