Tuto pra instalar web leo ferrazi

FUI TENTAR INSTALAR A WEB EM LOCAL HOST USANDO O XAMPP
E TA DANDO ESSE ERRO :
Warning: require_once(C:/xampp/htdocs/site2/System/Sanity.class.php): failed to open stream: No such file or directory in C:\xampp\htdocs\MU Web LeoFerrarezi\site2\site2\index.php on line 22

Fatal error: require_once(): Failed opening required 'C:/xampp/htdocs/site2/System/Sanity.class.php' (include_path='.;\xampp\php\PEAR') in C:\xampp\htdocs\MU Web LeoFerrarezi\site2\site2\index.phpon line 22
ALGUÉM PODE ME AJUDAR