[Error] 
Call to a member function getManagedCache() on unknown (0)
/var/www/el-plat.rf/bitrix/modules/main/lib/modulemanager.php:12
#0: Bitrix\Main\ModuleManager::getInstalledModules()
	/var/www/el-plat.rf/bitrix/modules/main/lib/loader.php:77
#1: Bitrix\Main\Loader::includeModule(string)
	/var/www/el-plat.rf/bitrix/modules/main/classes/general/module.php:261
#2: CModule::IncludeModule(string)
	/var/www/el-plat.ru/local/php_interface/init.php:21
#3: include_once(string)
	/var/www/el-plat.rf/bitrix/modules/main/include.php:218
#4: require_once(string)
	/var/www/el-plat.rf/bitrix/modules/main/include/prolog_before.php:14
#5: require_once(string)
	/var/www/el-plat.rf/bitrix/modules/main/include/prolog.php:10
#6: require_once(string)
	/var/www/el-plat.rf/bitrix/header.php:1
#7: require(string)
	/var/www/el-plat.ru/index.php:2