Edit file File name : RouteLoader.php Content :<?php namespace Api\Core\Loader; use Api\Core\Config\ApiConfig; use Api\Core\Resolver\ConfigResolver; use Slim\App; class RouteLoader { /** * Load all app routes * * @param App $app */ public function configureRoutes(App $app) { $routes = ApiConfig::getRoutes(); foreach ($routes as $route) { if (ConfigResolver::isFileExist($route)) { require $route; } } } } Save