Fatal error: Uncaught exception 'Zend_Session_Exception' with message 'Zend_Session::start() - /usr/www/users/schuett/subdomains/schuett-sport.de/shopware/engine/Library/Zend/Cache/Backend/File.php(Line:949): Error #2 mkdir(): File exists' in /usr/www/users/schuett/subdomains/schuett-sport.de/shopware/engine/Library/Zend/Session.php:506 Stack trace: #0 /usr/www/users/schuett/subdomains/schuett-sport.de/shopware/engine/Shopware/Components/DependencyInjection/Bridge/Session.php(77): Zend_Session::start(Array) #1 /usr/www/users/schuett/subdomains/schuett-sport.de/shopware/var/cache/production_201605230943/proxies/ShopwareProductionProjectContainer.php(617): Shopware\Components\DependencyInjection\Bridge\Session->factory(Object(ShopwareProductionProjectContainer)) #2 /usr/www/users/schuett/subdomains/schuett-sport.de/shopware/vendor/symfony/dependency-injection/Container.php(327): ShopwareProductionProjectContainer->getSessionService() #3 /usr/www/users/schuett/subdomains/schuett-sport.de/shopware/engine/Shopware/Components/D in /usr/www/users/schuett/subdomains/schuett-sport.de/shopware/engine/Library/Zend/Session.php on line 506