Warning: require(D:\pages\www-drupal\web/../vendor/autoload.php): Failed to open stream: No such file or directory in D:\pages\www-drupal\web\autoload.php on line 16

Fatal error: Uncaught Error: Failed opening required 'D:\pages\www-drupal\web/../vendor/autoload.php' (include_path='.;C:\php\pear') in D:\pages\www-drupal\web\autoload.php:16 Stack trace: #0 D:\pages\www-drupal\web\index.php(14): require_once() #1 {main} thrown in D:\pages\www-drupal\web\autoload.php on line 16