Fatal error: Uncaught TypeError: Invalid return value: callable object expected, "int" returned from "/srv/cbf/public/index.php". in /srv/cbf/vendor/autoload_runtime.php:12 Stack trace: #0 /srv/cbf/public/index.app.php(5): require_once() #1 /srv/cbf/public/index.php(1): require('/srv/cbf/public...') #2 {main} thrown in /srv/cbf/vendor/autoload_runtime.php on line 12