The Response content must be a string or object implementing __toString(), "boolean" given.

Stack Trace

1. in vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Response.php at line 399 
   396.     public function setContent($content)
   397.     {
   398.         if (null !== $content && !is_string($content) && !is_numeric($content) && !is_callable(array($content, '__toString'))) {
   399.             throw new \UnexpectedValueException(sprintf('The Response content must be a string or object implementing __toString(), "%s" given.', gettype($content)));
   400.         }
   402.         $this->content = (string) $content;
2. at Response ->setContent (false)
   in vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Response.php at line 201 
   198.     public function __construct($content = '', $status = 200, $headers = array())
   199.     {
   200.         $this->headers = new ResponseHeaderBag($headers);
   201.         $this->setContent($content);
   202.         $this->setStatusCode($status);
   203.         $this->setProtocolVersion('1.0');
   204.     }
3. at Response ->__construct (false)
   in system/ThemeModule/Controller/CombinedAssetController.php at line 38 
   35.             ini_set('zlib.output_handler', '');
   36.             ini_set('zlib.output_compression', 1);
   37.         }
   38.         $response = new Response($cachedFile);
   39.         $response->headers->set('Content-type', $type == 'js' ? 'text/javascript' : 'text/css');
   40.         $disposition = $response->headers->makeDisposition(ResponseHeaderBag::DISPOSITION_INLINE, $key);
   41.         $response->headers->set('Content-Disposition', $disposition);
4. at CombinedAssetController ->assetAction ('css', '3365b3bbb9363ef784639bc0fe883f5e1186400.css')
5. at call_user_func_array (array(object(CombinedAssetController), 'assetAction'), array('css', '3365b3bbb9363ef784639bc0fe883f5e1186400.css'))
   in vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php at line 144 
   141.         $arguments = $this->resolver->getArguments($request, $controller);
   143.         // call controller
   144.         $response = call_user_func_array($controller, $arguments);
   146.         // view
   147.         if (!$response instanceof Response) {
6. at HttpKernel ->handleRaw (object(Zikula_Request_Http), '1')
   in vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php at line 64 
   61.         $request->headers->set('X-Php-Ob-Level', ob_get_level());
   63.         try {
   64.             return $this->handleRaw($request, $type);
   65.         } catch (\Exception $e) {
   66.             if ($e instanceof ConflictingHeadersException) {
   67.                 $e = new BadRequestHttpException('The request headers contain conflicting information regarding the origin of this request.', $e);
7. at HttpKernel ->handle (object(Zikula_Request_Http), '1', true)
   in vendor/symfony/symfony/src/Symfony/Component/HttpKernel/DependencyInjection/ContainerAwareHttpKernel.php at line 69 
   66.         $this->container->set('request', $request, 'request');
   68.         try {
   69.             $response = parent::handle($request, $type, $catch);
   70.         } catch (\Exception $e) {
   71.             $this->container->set('request', null, 'request');
   72.             $this->container->leaveScope('request');
8. at ContainerAwareHttpKernel ->handle (object(Zikula_Request_Http), '1', true)
   in vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php at line 185 
   182.             $this->boot();
   183.         }
   185.         return $this->getHttpKernel()->handle($request, $type, $catch);
   186.     }
   188.     /**
9. at Kernel ->handle (object(Zikula_Request_Http))
   in index.php at line 23 
   20. // this event for BC only. remove in 2.0.0
   21. $core->getDispatcher()->dispatch('frontcontroller.predispatch', new \Zikula\Core\Event\GenericEvent());
   23. $response = $kernel->handle($request);
   24. $response->send();
   25. $kernel->terminate($request, $response);

Stack Trace (Plain Text) 

[1] UnexpectedValueException: The Response content must be a string or object implementing __toString(), "boolean" given.
    at n/a
        in /www/htdocs/w012c698/Zikula/Zikula_Core-1.4.5/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Response.php line 399

    at Symfony\Component\HttpFoundation\Response->setContent(false)
        in /www/htdocs/w012c698/Zikula/Zikula_Core-1.4.5/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Response.php line 201

    at Symfony\Component\HttpFoundation\Response->__construct(false)
        in /www/htdocs/w012c698/Zikula/Zikula_Core-1.4.5/system/ThemeModule/Controller/CombinedAssetController.php line 38

    at Zikula\ThemeModule\Controller\CombinedAssetController->assetAction('css', '3365b3bbb9363ef784639bc0fe883f5e1186400.css')
        in  line 

    at call_user_func_array(array(object(CombinedAssetController), 'assetAction'), array('css', '3365b3bbb9363ef784639bc0fe883f5e1186400.css'))
        in /www/htdocs/w012c698/Zikula/Zikula_Core-1.4.5/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php line 144

    at Symfony\Component\HttpKernel\HttpKernel->handleRaw(object(Zikula_Request_Http), '1')
        in /www/htdocs/w012c698/Zikula/Zikula_Core-1.4.5/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php line 64

    at Symfony\Component\HttpKernel\HttpKernel->handle(object(Zikula_Request_Http), '1', true)
        in /www/htdocs/w012c698/Zikula/Zikula_Core-1.4.5/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/DependencyInjection/ContainerAwareHttpKernel.php line 69

    at Symfony\Component\HttpKernel\DependencyInjection\ContainerAwareHttpKernel->handle(object(Zikula_Request_Http), '1', true)
        in /www/htdocs/w012c698/Zikula/Zikula_Core-1.4.5/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php line 185

    at Symfony\Component\HttpKernel\Kernel->handle(object(Zikula_Request_Http))
        in /www/htdocs/w012c698/Zikula/Zikula_Core-1.4.5/index.php line 23