Warning: require(/app/docroot/../vendor/autoload.php): Failed to open stream: No such file or directory in /app/docroot/autoload.php on line 17

Fatal error: Uncaught Error: Failed opening required '/app/docroot/../vendor/autoload.php' (include_path='.:/usr/local/lib/php') in /app/docroot/autoload.php:17 Stack trace: #0 /app/docroot/index.php(14): require_once() #1 {main} thrown in /app/docroot/autoload.php on line 17