Error 500 Internal Server Error

GET https://app.undernimme.nl/calendar/register/export/814

IP
20.171.207.40
Profiled on
Token
3d36de
Forwarded to ErrorController (2828f3)

Exceptions

ErrorException

HTTP 500 Internal Server Error

Warning: Undefined variable $registration

Exception

ErrorException

Show exception properties 
ErrorException {#814
  #severity: E_WARNING
}
in src/Service/ExcelGenerator.php (line 41)
  1.             $sheet->setCellValue('H' . $row, $registration->getPassword());
  2.             $row++;
  3.         }
  5.         // Write the file to a temporary location
  6.         $filePath = sys_get_temp_dir() . '/'.$registration->getId().'-registrations.xlsx';
  7.         $writer = new Xlsx($spreadsheet);
  8.         $writer->save($filePath);
  10.         return $filePath;
  11.     }
ExcelGenerator->generateExcel() in src/Controller/Modules/Custom/GrootInBhv/RegistrationController.php (line 173)
  1.     #[Route('calendar/register/export/{id}', name: 'calendar_register_export', methods: ['GET'])]
  2.     public function exportRegistrations($id, RegistrationRepository $registrationRepository, ExcelGenerator $excelGenerator): BinaryFileResponse
  3.     {
  4.         $registrations = $registrationRepository->findBy(['calendarItem' => $id, 'deletedAt' => null]);
  6.         $filePath = $excelGenerator->generateExcel($registrations);
  8.         $response = new BinaryFileResponse($filePath);
  9.         $response->setContentDisposition(ResponseHeaderBag::DISPOSITION_ATTACHMENT, $id . '-registrations.xlsx');
  11.         return $response;
in vendor/symfony/http-kernel/HttpKernel.php -> exportRegistrations (line 183)
  1.         $this->dispatcher->dispatch($event, KernelEvents::CONTROLLER_ARGUMENTS);
  2.         $controller = $event->getController();
  3.         $arguments = $event->getArguments();
  5.         // call controller
  6.         $response = $controller(...$arguments);
  8.         // view
  9.         if (!$response instanceof Response) {
  10.             $event = new ViewEvent($this, $request, $type, $response, $event);
  11.             $this->dispatcher->dispatch($event, KernelEvents::VIEW);
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 182)
  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('/home/undernimme/domains/undernimme.nl/public_html/app/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. //todo check if this quick fix is still needed, or if it can be done after re-compiling php with curl etc.
  8. if (!defined('CURL_SSLVERSION_TLSv1_2')) {
  9.     define('CURL_SSLVERSION_TLSv1_2', 6); // 6 is the value for CURL_SSLVERSION_TLSv1_2
  10. }

Logs

Level Channel Message
INFO 10:58:34 request Matched route "_profiler". 
{
    "route": "_profiler",
    "route_parameters": {
        "_route": "_profiler",
        "_controller": "web_profiler.controller.profiler::panelAction",
        "token": "3d36de"
    },
    "request_uri": "https://app.undernimme.nl/_profiler/3d36de",
    "method": "GET"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Nelmio\CorsBundle\EventListener\CorsListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Nelmio\\CorsBundle\\EventListener\\CorsListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\AssetMapper\AssetMapperDevServerSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\AssetMapper\\AssetMapperDevServerSubscriber::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Knp\Bundle\PaginatorBundle\Subscriber\SlidingPaginationSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Knp\\Bundle\\PaginatorBundle\\Subscriber\\SlidingPaginationSubscriber::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
}
DEBUG 10:58:34 event Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
}
DEBUG 10:58:34 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsCsrfTokenValidAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsCsrfTokenValidAttributeListener::onKernelControllerArguments"
}
DEBUG 10:58:34 event 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 10:58:34 event 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 10:58:34 event Notified event "kernel.controller_arguments" to listener "ContainerFgP7VlI\RequestPayloadValueResolverGhost01ca9cc::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "ContainerFgP7VlI\\RequestPayloadValueResolverGhost01ca9cc::onKernelControllerArguments"
}
DEBUG 10:58:34 event 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 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Nelmio\CorsBundle\EventListener\CorsListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Nelmio\\CorsBundle\\EventListener\\CorsListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\AssetMapper\AssetMapperDevServerSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\AssetMapper\\AssetMapperDevServerSubscriber::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.request" to listener "Knp\Bundle\PaginatorBundle\Subscriber\SlidingPaginationSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Knp\\Bundle\\PaginatorBundle\\Subscriber\\SlidingPaginationSubscriber::onKernelRequest"
}
DEBUG 10:58:34 event Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
}
DEBUG 10:58:34 event Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
}
DEBUG 10:58:34 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsCsrfTokenValidAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsCsrfTokenValidAttributeListener::onKernelControllerArguments"
}
DEBUG 10:58:34 event 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 10:58:34 event 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 10:58:34 event Notified event "kernel.controller_arguments" to listener "ContainerFgP7VlI\RequestPayloadValueResolverGhost01ca9cc::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "ContainerFgP7VlI\\RequestPayloadValueResolverGhost01ca9cc::onKernelControllerArguments"
}
DEBUG 10:58:34 event 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 10:58:34 event Notified event "kernel.response" to listener "Symfony\Component\AssetMapper\AssetMapperDevServerSubscriber::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\AssetMapper\\AssetMapperDevServerSubscriber::onKernelResponse"
}
DEBUG 10:58:34 event 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 10:58:34 event Notified event "kernel.response" to listener "Nelmio\CorsBundle\EventListener\CorsListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Nelmio\\CorsBundle\\EventListener\\CorsListener::onKernelResponse"
}
DEBUG 10:58:34 event Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ResponseListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ResponseListener::onKernelResponse"
}
DEBUG 10:58:34 event Notified event "kernel.response" to listener "Symfony\Component\WebLink\EventListener\AddLinkHeaderListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\WebLink\\EventListener\\AddLinkHeaderListener::onKernelResponse"
}
DEBUG 10:58:34 event Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelResponse"
}
DEBUG 10:58:34 event 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 10:58:34 event Notified event "kernel.response" to listener "Nelmio\CorsBundle\EventListener\CacheableResponseVaryListener::onResponse". 
{
    "event": "kernel.response",
    "listener": "Nelmio\\CorsBundle\\EventListener\\CacheableResponseVaryListener::onResponse"
}
DEBUG 10:58:34 event Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\CacheAttributeListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\CacheAttributeListener::onKernelResponse"
}
DEBUG 10:58:34 event Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ProfilerListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ProfilerListener::onKernelResponse"
}
DEBUG 10:58:34 event Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::removeCspHeader". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::removeCspHeader"
}
DEBUG 10:58:34 event Notified event "kernel.response" to listener "Symfony\Bundle\WebProfilerBundle\EventListener\WebDebugToolbarListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Bundle\\WebProfilerBundle\\EventListener\\WebDebugToolbarListener::onKernelResponse"
}
DEBUG 10:58:34 event Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\DisallowRobotsIndexingListener::onResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DisallowRobotsIndexingListener::onResponse"
}
DEBUG 10:58:34 event Notified event "kernel.response" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelResponse". 
{
    "event": "kernel.response",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelResponse"
}
DEBUG 10:58:34 event Notified event "kernel.finish_request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelFinishRequest". 
{
    "event": "kernel.finish_request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelFinishRequest"
}
DEBUG 10:58:34 event Notified event "kernel.finish_request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelFinishRequest". 
{
    "event": "kernel.finish_request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelFinishRequest"
}
DEBUG 10:58:34 event Notified event "kernel.finish_request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelFinishRequest". 
{
    "event": "kernel.finish_request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelFinishRequest"
}
DEBUG 10:58:34 event Notified event "kernel.finish_request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelFinishRequest". 
{
    "event": "kernel.finish_request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelFinishRequest"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\DebugHandlersListener::configure". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\DebugHandlersListener::configure"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\ValidateRequestListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ValidateRequestListener::onKernelRequest"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Nelmio\CorsBundle\EventListener\CorsListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Nelmio\\CorsBundle\\EventListener\\CorsListener::onKernelRequest"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\SessionListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\SessionListener::onKernelRequest"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::setDefaultLocale". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::setDefaultLocale"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Symfony\Component\AssetMapper\AssetMapperDevServerSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\AssetMapper\\AssetMapperDevServerSubscriber::onKernelRequest"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\RouterListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\RouterListener::onKernelRequest"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleListener::onKernelRequest"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Symfony\Component\HttpKernel\EventListener\LocaleAwareListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\LocaleAwareListener::onKernelRequest"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::configureLogoutUrlGenerator". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::configureLogoutUrlGenerator"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Symfony\Bundle\SecurityBundle\Debug\TraceableFirewallListener::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Symfony\\Bundle\\SecurityBundle\\Debug\\TraceableFirewallListener::onKernelRequest"
}
DEBUG 10:58:35 event Notified event "kernel.request" to listener "Knp\Bundle\PaginatorBundle\Subscriber\SlidingPaginationSubscriber::onKernelRequest". 
{
    "event": "kernel.request",
    "listener": "Knp\\Bundle\\PaginatorBundle\\Subscriber\\SlidingPaginationSubscriber::onKernelRequest"
}
DEBUG 10:58:35 event Notified event "kernel.controller" to listener "Symfony\Bundle\FrameworkBundle\DataCollector\RouterDataCollector::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Symfony\\Bundle\\FrameworkBundle\\DataCollector\\RouterDataCollector::onKernelController"
}
DEBUG 10:58:35 event Notified event "kernel.controller" to listener "Symfony\Component\HttpKernel\DataCollector\RequestDataCollector::onKernelController". 
{
    "event": "kernel.controller",
    "listener": "Symfony\\Component\\HttpKernel\\DataCollector\\RequestDataCollector::onKernelController"
}
DEBUG 10:58:35 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\Security\Http\EventListener\IsCsrfTokenValidAttributeListener::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\Security\\Http\\EventListener\\IsCsrfTokenValidAttributeListener::onKernelControllerArguments"
}
DEBUG 10:58:35 event 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 10:58:35 event 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 10:58:35 event Notified event "kernel.controller_arguments" to listener "ContainerFgP7VlI\RequestPayloadValueResolverGhost01ca9cc::onKernelControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "ContainerFgP7VlI\\RequestPayloadValueResolverGhost01ca9cc::onKernelControllerArguments"
}
DEBUG 10:58:35 event Notified event "kernel.controller_arguments" to listener "Symfony\Component\HttpKernel\EventListener\ErrorListener::onControllerArguments". 
{
    "event": "kernel.controller_arguments",
    "listener": "Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener::onControllerArguments"
}

Stack Trace

ErrorException 
ErrorException:
Warning: Undefined variable $registration

  at src/Service/ExcelGenerator.php:41
  at App\Service\ExcelGenerator->generateExcel()
     (src/Controller/Modules/Custom/GrootInBhv/RegistrationController.php:173)
  at App\Controller\Modules\Custom\GrootInBhv\RegistrationController->exportRegistrations()
     (vendor/symfony/http-kernel/HttpKernel.php:183)
  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:182)
  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('/home/undernimme/domains/undernimme.nl/public_html/app/vendor/autoload_runtime.php')
     (public/index.php:5)