Fatal error: Uncaught Error: Cannot use object of type Symfony\Component\HttpKernel\Exception\ControllerDoesNotReturnResponseException as array in /home/cmitabai/src/Api/AlertException.php:59 Stack trace: #0 /home/cmitabai/src/Helper/AlertException.php(54): Modulo\Api\AlertException::error('slack', Object(Silex\Application), Object(Symfony\Component\HttpKernel\Exception\ControllerDoesNotReturnResponseException), Object(Symfony\Component\HttpFoundation\Request), Array, 500) #1 /home/cmitabai/config/core/options.php(52): Modulo\Helper\AlertException::error('slack', Object(Silex\Application), Object(Symfony\Component\HttpKernel\Exception\ControllerDoesNotReturnResponseException), Object(Symfony\Component\HttpFoundation\Request), 500) #2 [internal function]: {closure}(Object(Symfony\Component\HttpKernel\Exception\ControllerDoesNotReturnResponseException), Object(Symfony\Component\HttpFoundation\Request), 500, Object(Symfony\Component\HttpKernel\Event\ExceptionEvent)) #3 /home/cmitabai/vendor/silex/silex/src/Silex/ExceptionLis in /home/cmitabai/src/Api/AlertException.php on line 59