Warning: require(/app/../vendor/autoload.php): Failed to open stream: No such file or directory in /app/index.php on line 15

Fatal error: Uncaught Error: Failed opening required '/app/../vendor/autoload.php' (include_path='.:/nix/store/nv7agllrn6xvfyxqjg55l2nj3n18sgqc-php-8.2.27/lib/php') in /app/index.php:15 Stack trace: #0 {main} thrown in /app/index.php on line 15