Fatal error: Uncaught Symfony\Component\Debug\Exception\ContextErrorException: Warning: Declaration of AppCoreAdminBundle\Controller\DefaultController::indexAction(Symfony\Component\HttpFoundation\Request $request) should be compatible with Promaker\Onas5\CoreAdminBundle\Controller\DefaultController::indexAction() in /var/www/html/src/AppCoreAdminBundle/Controller/DefaultController.php:11 Stack trace: #0 /var/www/html/src/AppCoreAdminBundle/Controller/DefaultController.php(9): Symfony\Component\Debug\ErrorHandler->handleError(2, 'Declaration of ...', '/var/www/html/s...', 11, Array) #1 /var/www/html/vendor/composer/ClassLoader.php(576): include('/var/www/html/s...') #2 /var/www/html/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/var/www/html/v...') #3 [internal function]: Composer\Autoload\ClassLoader->loadClass('AppCoreAdminBun...') #4 [internal function]: spl_autoload_call('AppCoreAdminBun...') #5 /var/www/html/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Controller/ControllerNameParser in /var/www/html/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 61