Fatal error: Uncaught Symfony\Component\Debug\Exception\UndefinedMethodException: Attempted to call an undefined method named "setUtmCurrentCampaign" of class "AppBundle\Entity\FrontendSession". in /usr/www/users/whatyp/src/AppBundle/EventListener/UtmListener.php:54 Stack trace: #0 [internal function]: AppBundle\EventListener\UtmListener->onKernelController(Object(Symfony\Component\HttpKernel\Event\FilterControllerEvent), 'kernel.controll...', Object(Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher)) #1 /usr/www/users/whatyp/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(174): call_user_func(Array, Object(Symfony\Component\HttpKernel\Event\FilterControllerEvent), 'kernel.controll...', Object(Symfony\Component\EventDispatcher\ContainerAwareEventDispatcher)) #2 /usr/www/users/whatyp/vendor/symfony/symfony/src/Symfony/Component/EventDispatcher/EventDispatcher.php(43): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'kernel.controll...', Object(Symfony\Comp in /usr/www/users/whatyp/src/AppBundle/EventListener/UtmListener.php on line 54