[Error] 
Class 'Loader' not found (0)
/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/currency/include.php:9
#0: include_once
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/main/lib/loader.php:140
#1: Bitrix\Main\Loader::includeModuleInternal(string)
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/main/lib/loader.php:107
#2: Bitrix\Main\Loader::includeModule(string)
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/catalog/include.php:73
#3: include_once(string)
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/main/lib/loader.php:140
#4: Bitrix\Main\Loader::includeModuleInternal(string)
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/main/lib/loader.php:107
#5: Bitrix\Main\Loader::includeModule(string)
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/main/classes/general/module.php:261
#6: CModule::IncludeModule(string)
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/main/classes/mysql/agent.php:147
#7: CAgent::ExecuteAgents(string)
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/main/classes/mysql/agent.php:40
#8: CAgent::CheckAgents()
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/main/include.php:268
#9: require_once(string)
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/main/include/prolog_before.php:14
#10: require_once(string)
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/modules/main/include/prolog.php:10
#11: require_once(string)
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/bitrix/header.php:1
#12: require(string)
	/var/www/u0804040/data/www/xn--80adhncb5acdjmhckhip6si.xn--p1ai/questions/index.php:1