Warning: Invalid argument supplied for foreach() in /var/www/symfony/src/Pointua/FrontendBundle/Service/AdvertFilterService.php on line 161

Fatal error: Uncaught RuntimeException: Failed to start the session because headers have already been sent by "/var/www/symfony/src/Pointua/FrontendBundle/Service/AdvertFilterService.php" at line 161. in /var/www/symfony/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php:150 Stack trace: #0 /var/www/symfony/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php(323): Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() #1 /var/www/symfony/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Session.php(256): Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->getBag('attributes') #2 /var/www/symfony/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Session.php(280): Symfony\Component\HttpFoundation\Session\Session->getBag('attributes') #3 /var/www/symfony/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Session.php(65): Symfony\Comp in /var/www/symfony/vendor/symfony/symfony/src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php on line 150