Deprecated: Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter\DoctrineParamConverter::__construct(): Implicitly marking parameter $registry as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/Request/ParamConverter/DoctrineParamConverter.php on line 46

Deprecated: Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter\DoctrineParamConverter::__construct(): Implicitly marking parameter $expressionLanguage as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/Request/ParamConverter/DoctrineParamConverter.php on line 46

Deprecated: Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::__construct(): Implicitly marking parameter $twig as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/TemplateListener.php on line 39

Deprecated: Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::__construct(): Implicitly marking parameter $language as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/SecurityListener.php on line 43

Deprecated: Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::__construct(): Implicitly marking parameter $trustResolver as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/SecurityListener.php on line 43

Deprecated: Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::__construct(): Implicitly marking parameter $roleHierarchy as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/SecurityListener.php on line 43

Deprecated: Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::__construct(): Implicitly marking parameter $tokenStorage as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/SecurityListener.php on line 43

Deprecated: Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::__construct(): Implicitly marking parameter $authChecker as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/SecurityListener.php on line 43

Deprecated: Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::__construct(): Implicitly marking parameter $logger as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/SecurityListener.php on line 43

Deprecated: Sensio\Bundle\FrameworkExtraBundle\EventListener\IsGrantedListener::__construct(): Implicitly marking parameter $authChecker as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/EventListener/IsGrantedListener.php on line 33

Deprecated: Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter::__construct(): Implicitly marking parameter $class as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/Configuration/ParamConverter.php on line 61

Deprecated: Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter::__construct(): Implicitly marking parameter $converter as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/Configuration/ParamConverter.php on line 61
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/Configuration/ParamConverter.php:61) (500 Internal Server Error)

Symfony Exception

Symfony Docs

ErrorException

HTTP 500 Internal Server Error

Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/Configuration/ParamConverter.php:61)

Exception

ErrorException

Show exception properties 
ErrorException {#2740
  #severity: E_WARNING
}
in vendor/symfony/http-foundation/Session/SessionUtils.php (line 52)
  1. }
  2. if (null === $sessionCookie) {
  3. return null;
  4. }
  6. header_remove('Set-Cookie');
  7. foreach ($otherCookies as $h) {
  8. header($h, false);
  9. }
  11. return $sessionCookie;
in vendor/symfony/http-kernel/EventListener/AbstractSessionListener.php :: popSessionCookie (line 161)
  1. $sessionCookieSecure = $sessionOptions['cookie_secure'] ?? false;
  2. $sessionCookieHttpOnly = $sessionOptions['cookie_httponly'] ?? true;
  3. $sessionCookieSameSite = $sessionOptions['cookie_samesite'] ?? Cookie::SAMESITE_LAX;
  4. $sessionUseCookies = $sessionOptions['use_cookies'] ?? true;
  6. SessionUtils::popSessionCookie($sessionName, $sessionId);
  8. if ($sessionUseCookies) {
  9. $request = $event->getRequest();
  10. $requestSessionCookieId = $request->cookies->get($sessionName);
in vendor/symfony/event-dispatcher/Debug/WrappedListener.php -> onKernelResponse (line 116)
  1. $this->priority ??= $dispatcher->getListenerPriority($eventName, $this->listener);
  3. $e = $this->stopwatch->start($this->name, 'event_listener');
  5. try {
  6. ($this->optimizedListener ?? $this->listener)($event, $eventName, $dispatcher);
  7. } finally {
  8. if ($e->isStarted()) {
  9. $e->stop();
  10. }
  11. }
in vendor/symfony/event-dispatcher/EventDispatcher.php -> __invoke (line 220)
  2. foreach ($listeners as $listener) {
  3. if ($stoppable && $event->isPropagationStopped()) {
  4. break;
  5. }
  6. $listener($event, $eventName, $this);
  7. }
  8. }
  10. /**
  11. * Sorts the internal list of listeners for the given event by priority.
in vendor/symfony/event-dispatcher/EventDispatcher.php -> callListeners (line 56)
  1. } else {
  2. $listeners = $this->getListeners($eventName);
  3. }
  5. if ($listeners) {
  6. $this->callListeners($listeners, $eventName, $event);
  7. }
  9. return $event;
  10. }
in vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php -> dispatch (line 139)
  1. try {
  2. $this->beforeDispatch($eventName, $event);
  3. try {
  4. $e = $this->stopwatch->start($eventName, 'section');
  5. try {
  6. $this->dispatcher->dispatch($event, $eventName);
  7. } finally {
  8. if ($e->isStarted()) {
  9. $e->stop();
  10. }
  11. }
in vendor/symfony/http-kernel/HttpKernel.php -> dispatch (line 214)
  1. */
  2. private function filterResponse(Response $response, Request $request, int $type): Response
  3. {
  4. $event = new ResponseEvent($this, $request, $type, $response);
  6. $this->dispatcher->dispatch($event, KernelEvents::RESPONSE);
  8. $this->finishRequest($request, $type);
  10. return $event->getResponse();
  11. }
in vendor/symfony/http-kernel/HttpKernel.php -> filterResponse (line 202)
  2. throw new ControllerDoesNotReturnResponseException($msg, $controller, __FILE__, __LINE__ - 17);
  3. }
  4. }
  6. return $this->filterResponse($response, $request, $type);
  7. }
  9. /**
  10. * Filters a response object.
  11. *
in vendor/symfony/http-kernel/HttpKernel.php -> handleRaw (line 76)
  1. $request->headers->set('X-Php-Ob-Level', (string) ob_get_level());
  3. $this->requestStack->push($request);
  4. $response = null;
  5. try {
  6. return $response = $this->handleRaw($request, $type);
  7. } catch (\Throwable $e) {
  8. if ($e instanceof \Error && !$this->handleAllThrowables) {
  9. throw $e;
  10. }
in vendor/symfony/http-kernel/Kernel.php -> handle (line 197)
  1. $this->boot();
  2. ++$this->requestStackSize;
  3. $this->resetServices = true;
  5. try {
  6. return $this->getHttpKernel()->handle($request, $type, $catch);
  7. } finally {
  8. --$this->requestStackSize;
  9. }
  10. }
in vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php -> handle (line 35)
  1. ) {
  2. }
  4. public function run(): int
  5. {
  6. $response = $this->kernel->handle($this->request);
  8. if (Kernel::VERSION_ID >= 60400) {
  9. $response->send(false);
  11. if (\function_exists('fastcgi_finish_request') && !$this->debug) {
in vendor/autoload_runtime.php -> run (line 29)
  1. $app = $app(...$args);
  3. exit(
  4. $runtime
  5. ->getRunner($app)
  6. ->run()
  7. );
require_once('/var/www/html/whistlesandbells/vendor/autoload_runtime.php') in public/index.php (line 5)
  1. <?php
  3. use App\Kernel;
  5. require_once dirname(__DIR__).'/vendor/autoload_runtime.php';
  7. return function (array $context) {
  8. return new Kernel($context['APP_ENV'], (bool) $context['APP_DEBUG']);
  9. };

Logs 1

Level Message
info 16:55:46 User Deprecated: Method "Symfony\Component\HttpKernel\Bundle\Bundle::build()" might add "void" as a native return type declaration in the future. Do the same in child class "Sensio\Bundle\FrameworkExtraBundle\SensioFrameworkExtraBundle" now to avoid errors or add an explicit @return annotation to suppress this message. 
{
    "exception": {}
}
info 16:55:46 Deprecated: Creation of dynamic property App\Services\FindClientOrDogDetailsFromUser::$userRepository is deprecated 
{
    "exception": {}
}
info 16:55:46 Deprecated: Creation of dynamic property App\Services\FindClientOrDogDetailsFromUser::$clientDetailsRepository is deprecated 
{
    "exception": {}
}
info 16:55:46 Deprecated: Creation of dynamic property App\Services\FindClientOrDogDetailsFromUser::$dogsRepository is deprecated 
{
    "exception": {}
}
info 16:55:47 Matched route "app_home". 
{
    "route": "app_home",
    "route_parameters": {
        "_route": "app_home",
        "_controller": "App\\Controller\\ATS\\HomeController::index"
    },
    "request_uri": "https://whistlesandbells.atts-systems.com/",
    "method": "GET"
}
info 16:55:47 User Deprecated: In ORM 3.0, the AttributeDriver will report fields for the classes where they are declared. This may uncover invalid mapping configurations. To opt into the new mode today, set the "reportFieldsWhereDeclared" constructor parameter to true. (AttributeDriver.php:77 called by App_KernelProdDebugContainer.php:1232, https://github.com/doctrine/orm/pull/10455, package doctrine/orm) 
{
    "exception": {}
}
info 16:55:47 User Deprecated: Not enabling lazy ghost objects is deprecated and will not be supported in Doctrine ORM 3.0. Ensure Doctrine\ORM\Configuration::setLazyGhostObjectEnabled(true) is called to enable them. (ProxyFactory.php:166 called by EntityManager.php:177, https://github.com/doctrine/orm/pull/10837/, package doctrine/orm) 
{
    "exception": {}
}
debug 16:55:47 Checking for authenticator support. 
{
    "firewall_name": "main",
    "authenticators": 3
}
debug 16:55:47 Checking support on authenticator. 
{
    "firewall_name": "main",
    "authenticator": "App\\Security\\LoginAuthenticator"
}
debug 16:55:47 Authenticator does not support the request. 
{
    "firewall_name": "main",
    "authenticator": "App\\Security\\LoginAuthenticator"
}
debug 16:55:47 Checking support on authenticator. 
{
    "firewall_name": "main",
    "authenticator": "Symfony\\Component\\Security\\Http\\Authenticator\\FormLoginAuthenticator"
}
debug 16:55:47 Authenticator does not support the request. 
{
    "firewall_name": "main",
    "authenticator": "Symfony\\Component\\Security\\Http\\Authenticator\\FormLoginAuthenticator"
}
debug 16:55:47 Checking support on authenticator. 
{
    "firewall_name": "main",
    "authenticator": "Symfony\\Component\\Security\\Http\\Authenticator\\RememberMeAuthenticator"
}
debug 16:55:47 Authenticator does not support the request. 
{
    "firewall_name": "main",
    "authenticator": "Symfony\\Component\\Security\\Http\\Authenticator\\RememberMeAuthenticator"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "App\EventSubscriber\LocaleSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "App\\EventSubscriber\\LocaleSubscriber::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "App\EventListener\LocalListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "App\\EventListener\\LocalListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Knp\Bundle\PaginatorBundle\Subscriber\SlidingPaginationSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Knp\\Bundle\\PaginatorBundle\\Subscriber\\SlidingPaginationSubscriber::onKernelRequest"
}
info 16:55:47 User Deprecated: Since symfony/framework-bundle 6.4: The "annotations.cached_reader" service is deprecated without replacement. 
{
    "exception": {}
}
info 16:55:47 User Deprecated: Since symfony/framework-bundle 6.4: The "annotations.reader" service is deprecated without replacement. 
{
    "exception": {}
}
info 16:55:47 User Deprecated: Since symfony/framework-bundle 6.4: The "annotations.cache_adapter" service is deprecated without replacement. 
{
    "exception": {}
}
debug 16:55:47 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ControllerListener::onKernelController"
}
debug 16:55:47 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ParamConverterListener::onKernelController"
}
debug 16:55:47 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelController"
}
debug 16:55:47 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener::onKernelController"
}
debug 16:55:47 Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsGrantedAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsGrantedAttributeListener::onKernelControllerArguments"
}
debug 16:55:47 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelControllerArguments"
}
debug 16:55:47 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::onControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::onControllerArguments"
}
debug 16:55:47 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\SecurityListener::onKernelControllerArguments"
}
debug 16:55:47 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\IsGrantedListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\IsGrantedListener::onKernelControllerArguments"
}
info 16:55:47 Deprecated: Creation of dynamic property App\Form\WebsiteContactsType::$translationsWorker is deprecated 
{
    "exception": {}
}
info 16:55:47 User Deprecated: Since symfony/validator 6.4: Method "Symfony\Component\Validator\ValidatorBuilder::setDoctrineAnnotationReader()" is deprecated without replacement. 
{
    "exception": {}
}
debug 16:55:47 Notified event "debug.security.authorization.vote" to listener "Symfony\Bundle\SecurityBundle\EventListener\VoteListener::onVoterVote". 
{
    "event": "debug.security.authorization.vote",
    "listener": "Symfony\\Bundle\\SecurityBundle\\EventListener\\VoteListener::onVoterVote"
}
debug 16:55:47 Notified event "debug.security.authorization.vote" to listener "Symfony\Bundle\SecurityBundle\EventListener\VoteListener::onVoterVote". 
{
    "event": "debug.security.authorization.vote",
    "listener": "Symfony\\Bundle\\SecurityBundle\\EventListener\\VoteListener::onVoterVote"
}
debug 16:55:47 Notified event "debug.security.authorization.vote" to listener "Symfony\Bundle\SecurityBundle\EventListener\VoteListener::onVoterVote". 
{
    "event": "debug.security.authorization.vote",
    "listener": "Symfony\\Bundle\\SecurityBundle\\EventListener\\VoteListener::onVoterVote"
}
debug 16:55:47 Notified event "debug.security.authorization.vote" to listener "Symfony\Bundle\SecurityBundle\EventListener\VoteListener::onVoterVote". 
{
    "event": "debug.security.authorization.vote",
    "listener": "Symfony\\Bundle\\SecurityBundle\\EventListener\\VoteListener::onVoterVote"
}
debug 16:55:47 Notified event "debug.security.authorization.vote" to listener "Symfony\Bundle\SecurityBundle\EventListener\VoteListener::onVoterVote". 
{
    "event": "debug.security.authorization.vote",
    "listener": "Symfony\\Bundle\\SecurityBundle\\EventListener\\VoteListener::onVoterVote"
}
debug 16:55:47 Notified event "debug.security.authorization.vote" to listener "Symfony\Bundle\SecurityBundle\EventListener\VoteListener::onVoterVote". 
{
    "event": "debug.security.authorization.vote",
    "listener": "Symfony\\Bundle\\SecurityBundle\\EventListener\\VoteListener::onVoterVote"
}
debug 16:55:47 Notified event "debug.security.authorization.vote" to listener "Symfony\Bundle\SecurityBundle\EventListener\VoteListener::onVoterVote". 
{
    "event": "debug.security.authorization.vote",
    "listener": "Symfony\\Bundle\\SecurityBundle\\EventListener\\VoteListener::onVoterVote"
}
debug 16:55:47 Notified event "kernel.response" to listener "Symfony\Component\Security\Http\Firewall\ContextListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\Security\\Http\\Firewall\\ContextListener::onKernelResponse"
}
debug 16:55:47 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ResponseListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ResponseListener::onKernelResponse"
}
debug 16:55:47 Notified event "kernel.response" to listener "Symfony\Component\Security\Http\RememberMe\ResponseListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\Security\\Http\\RememberMe\\ResponseListener::onKernelResponse"
}
debug 16:55:47 Notified event "kernel.response" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelResponse"
}
debug 16:55:47 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelResponse"
}
debug 16:55:47 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::removeCspHeader". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::removeCspHeader"
}
debug 16:55:47 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\DisallowRobotsIndexingListener::onResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DisallowRobotsIndexingListener::onResponse"
}
debug 16:55:47 Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelResponse"
}
critical 16:55:47 Uncaught PHP Exception ErrorException: "Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/Configuration/ParamConverter.php:61)" at SessionUtils.php line 52 
{
    "exception": {}
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "App\EventSubscriber\LocaleSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "App\\EventSubscriber\\LocaleSubscriber::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "App\EventListener\LocalListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "App\\EventListener\\LocalListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
}
debug 16:55:47 Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.request" to listener "Knp\Bundle\PaginatorBundle\Subscriber\SlidingPaginationSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Knp\\Bundle\\PaginatorBundle\\Subscriber\\SlidingPaginationSubscriber::onKernelRequest"
}
debug 16:55:47 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ControllerListener::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ControllerListener::onKernelController"
}
debug 16:55:47 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\ParamConverterListener::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\ParamConverterListener::onKernelController"
}
debug 16:55:47 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\HttpCacheListener::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\HttpCacheListener::onKernelController"
}
debug 16:55:47 Notified event "kernel.controller" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\TemplateListener::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\TemplateListener::onKernelController"
}
debug 16:55:47 Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsGrantedAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsGrantedAttributeListener::onKernelControllerArguments"
}
debug 16:55:47 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelControllerArguments"
}
debug 16:55:47 Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::onControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::onControllerArguments"
}
debug 16:55:47 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\SecurityListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\SecurityListener::onKernelControllerArguments"
}
debug 16:55:47 Notified event "kernel.controller_arguments" to listener "Sensio\Bundle\FrameworkExtraBundle\EventListener\IsGrantedListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Sensio\\Bundle\\FrameworkExtraBundle\\EventListener\\IsGrantedListener::onKernelControllerArguments"
}

Stack Trace

ErrorException 
ErrorException:
Warning: Cannot modify header information - headers already sent by (output started at /var/www/html/whistlesandbells/vendor/sensio/framework-extra-bundle/src/Configuration/ParamConverter.php:61)

  at vendor/symfony/http-foundation/Session/SessionUtils.php:52
  at Symfony\Component\HttpFoundation\Session\SessionUtils::popSessionCookie()
     (vendor/symfony/http-kernel/EventListener/AbstractSessionListener.php:161)
  at Symfony\Component\HttpKernel\EventListener\AbstractSessionListener->onKernelResponse()
     (vendor/symfony/event-dispatcher/Debug/WrappedListener.php:116)
  at Symfony\Component\EventDispatcher\Debug\WrappedListener->__invoke()
     (vendor/symfony/event-dispatcher/EventDispatcher.php:220)
  at Symfony\Component\EventDispatcher\EventDispatcher->callListeners()
     (vendor/symfony/event-dispatcher/EventDispatcher.php:56)
  at Symfony\Component\EventDispatcher\EventDispatcher->dispatch()
     (vendor/symfony/event-dispatcher/Debug/TraceableEventDispatcher.php:139)
  at Symfony\Component\EventDispatcher\Debug\TraceableEventDispatcher->dispatch()
     (vendor/symfony/http-kernel/HttpKernel.php:214)
  at Symfony\Component\HttpKernel\HttpKernel->filterResponse()
     (vendor/symfony/http-kernel/HttpKernel.php:202)
  at Symfony\Component\HttpKernel\HttpKernel->handleRaw()
     (vendor/symfony/http-kernel/HttpKernel.php:76)
  at Symfony\Component\HttpKernel\HttpKernel->handle()
     (vendor/symfony/http-kernel/Kernel.php:197)
  at Symfony\Component\HttpKernel\Kernel->handle()
     (vendor/symfony/runtime/Runner/Symfony/HttpKernelRunner.php:35)
  at Symfony\Component\Runtime\Runner\Symfony\HttpKernelRunner->run()
     (vendor/autoload_runtime.php:29)
  at require_once('/var/www/html/whistlesandbells/vendor/autoload_runtime.php')
     (public/index.php:5)