Warning: require_once(C:\inetpub\wwwroot\risto3.it_old\libraries\vendor\composer\autoload_real): failed to open stream: No such file or directory in C:\inetpub\wwwroot\risto3.it_old\libraries\vendor\autoload.php on line 5

Fatal error: require_once(): Failed opening required 'C:\inetpub\wwwroot\risto3.it_old\libraries\vendor/composer/autoload_real.php' (include_path='.;C:\php\pear') in C:\inetpub\wwwroot\risto3.it_old\libraries\vendor\autoload.php on line 5