Как вручную установить mSearch?

Не получается установить mSearch вручную, выдает ошибку:

Warning: require_once(C:\OpenWebServer\OpenServer\domains\modxlearn.ru\mSearch-master/core/model/modx/modx.class.php): failed to open stream: No such file or directory in C:\OpenWebServer\OpenServer\domains\modxlearn.ru\mSearch-master\mSearch-master\_build\build.transport.php on line 40

Fatal error: require_once(): Failed opening required 'C:\OpenWebServer\OpenServer\domains\modxlearn.ru\mSearch-master/core/model/modx/modx.class.php' (include_path='.;c:/openwebserver/openserver/modules/php/PHP-5.5;c:/openwebserver/openserver/modules/php/PHP-5.5/PEAR/pear') in C:\OpenWebServer\OpenServer\domains\modxlearn.ru\mSearch-master\mSearch-master\_build\build.transport.php on line 40