Fatal error: Uncaught exception 'RuntimeException' with message 'Failed to start the session: already started by PHP.' in /space/www/marketplace/data/releases/20181211153709/var/cache/prod/classes.php:109 Stack trace: #0 /space/www/marketplace/data/releases/20181211153709/var/cache/prod/classes.php(461): Symfony\Component\HttpFoundation\Session\Storage\NativeSessionStorage->start() #1 /space/www/marketplace/data/releases/20181211153709/src/MarketplaceBundle/Controller/DefaultController.php(34): Symfony\Component\HttpFoundation\Session\Session->start() #2 /space/www/marketplace/data/releases/20181211153709/src/MarketplaceBundle/Controller/DefaultController.php(499): MarketplaceBundle\Controller\DefaultController->setSession() #3 [internal function]: MarketplaceBundle\Controller\DefaultController->sellerAction(Object(MarketplaceBundle\Entity\Vendeur), '8', 'ubiflow') #4 /space/www/marketplace/data/releases/20181211153709/var/cache/prod/classes.php(5006): call_user_func_array(Array, Array) #5 /space/www/marketplace/data/rele in /space/www/marketplace/data/releases/20181211153709/src/MarketplaceBundle/Resources/views/Default/partials/_header_account.html.twig on line 12