[Error] 
Class 'Loader' not found (0)
/home/bitrix/ext_www/energyplus.su/bitrix/modules/currency/include.php:11
#0: include_once
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/main/lib/loader.php:115
#1: Bitrix\Main\Loader::includeModuleInternal(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/main/lib/loader.php:102
#2: Bitrix\Main\Loader::includeModule(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/catalog/include.php:75
#3: include_once(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/main/lib/loader.php:115
#4: Bitrix\Main\Loader::includeModuleInternal(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/main/lib/loader.php:102
#5: Bitrix\Main\Loader::includeModule(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/sotbit.seometa/include.php:23
#6: include_once(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/main/lib/loader.php:115
#7: Bitrix\Main\Loader::includeModuleInternal(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/main/lib/loader.php:102
#8: Bitrix\Main\Loader::includeModule(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/main/classes/general/module.php:261
#9: CModule::IncludeModule(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/main/classes/general/module.php:444
#10: ExecuteModuleEventEx(array)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/main/include.php:287
#11: require_once(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/main/include/prolog_before.php:14
#12: require_once(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/modules/main/include/prolog.php:10
#13: require_once(string)
	/home/bitrix/ext_www/energyplus.su/bitrix/header.php:1
#14: require(string)
	/home/bitrix/ext_www/energyplus.su/index.php:2