The application could not run because of the following error:
#0 /var/www/vendor/slim/slim/Slim/Handlers/Strategies/RequestResponse.php(38): Books\Controller\Publisher\PublisherMcuController->__invoke(Object(Slim\Psr7\Request), Object(Slim\Psr7\Response), Array) #1 /var/www/vendor/slim/slim/Slim/Routing/Route.php(358): Slim\Handlers\Strategies\RequestResponse->__invoke(Array, Object(Slim\Psr7\Request), Object(Slim\Psr7\Response), Array) #2 /var/www/vendor/slim/slim/Slim/MiddlewareDispatcher.php(65): Slim\Routing\Route->handle(Object(Slim\Psr7\Request)) #3 /var/www/vendor/slim/slim/Slim/MiddlewareDispatcher.php(65): Slim\MiddlewareDispatcher->handle(Object(Slim\Psr7\Request)) #4 /var/www/vendor/slim/slim/Slim/Routing/Route.php(315): Slim\MiddlewareDispatcher->handle(Object(Slim\Psr7\Request)) #5 /var/www/vendor/slim/slim/Slim/Routing/RouteRunner.php(68): Slim\Routing\Route->run(Object(Slim\Psr7\Request)) #6 /var/www/vendor/slim/slim/Slim/Middleware/ErrorMiddleware.php(76): Slim\Routing\RouteRunner->handle(Object(Slim\Psr7\Request)) #7 /var/www/vendor/slim/slim/Slim/MiddlewareDispatcher.php(121): Slim\Middleware\ErrorMiddleware->process(Object(Slim\Psr7\Request), Object(Slim\Routing\RouteRunner)) #8 /var/www/vendor/slim/slim/Slim/MiddlewareDispatcher.php(65): Psr\Http\Server\RequestHandlerInterface@anonymous->handle(Object(Slim\Psr7\Request)) #9 /var/www/vendor/slim/slim/Slim/App.php(199): Slim\MiddlewareDispatcher->handle(Object(Slim\Psr7\Request)) #10 /var/www/vendor/slim/slim/Slim/App.php(183): Slim\App->handle(Object(Slim\Psr7\Request)) #11 /var/www/public/index.php(71): Slim\App->run() #12 {main}