Responsive Design verursacht am Handy weiße Seite und DebugM

Hey, wenn ich meinen Shop auf dem Handy / Tablet aufrufe, bekomme ich die Mail in der Art: Message: exception 'Zend\_Session\_Exception' with message 'The session has already been started. The session id must be set first.' in /usr/www/users/\*\*\*/live/engine/Library/Zend/Session.php:709 Stack trace: #0 /usr/www/users/\*\*\*/live/engine/Library/Zend/Session.php(421): Zend\_Session::setId('d0e353592bccf27...') #1 /usr/www/users/\*\*\*/live/engine/Library/Zend/Session/Namespace.php(143): Zend\_Session::start(true) #2 /usr/www/users/\*\*\*/live/engine/Shopware/Components/DependencyInjection/Bridge/Session.php(81): Zend\_Session\_Namespace-\>\_\_construct('Shopware') #3 /usr/www/users/\*\*\*/live/cache/production\_201504271122/proxies/ShopwareProductionProjectContainer.php(555): Shopware\Components\DependencyInjection\Bridge\Session-\>factory(Object(ShopwareProductionProjectContainer)) #4 /usr/www/users/\*\*\*/live/vendor/symfony/dependency-injection/Symfony/Component/DependencyInjection/Container.php(326): ShopwareProductionProjectContainer-\>getSessionService() #5 /usr/www/users/\*\*\*/live/engine/Shopware/Components/DependencyInjection/Container.php(253): Symfony\Component\DependencyInjection\Container-\>get('session') #6 /usr/www/users/\*\*\*/live/engine/Shopware/Components/DependencyInjection/Container.php(188): Shopware\Components\DependencyInjection\Container-\>load('session') #7 /usr/www/users/\*\*\*/live/engine/Shopware/Bundle/StoreFrontBundle/Service/Core/ContextService.php(171): Shopware\Components\DependencyInjection\Container-\>get('session') #8 /usr/www/users/\*\*\*/live/engine/Shopware/Models/Shop/Shop.php(711): Shopware\Bundle\StoreFrontBundle\Service\Core\ContextService-\>initializeShopContext() #9 /usr/www/users/\*\*\*/live/engine/Shopware/Plugins/Default/Core/Router/Bootstrap.php(129): Shopware\Models\Shop\Shop-\>registerResources(Object(Shopware\_Proxies\_ShopwareBootstrapProxy)) #10 /usr/www/users/\*\*\*/live/engine/Library/Enlight/Event/Handler/Plugin.php(149): Shopware\_Plugins\_Core\_Router\_Bootstrap-\>onRouteStartup(Object(Enlight\_Controller\_EventArgs)) #11 /usr/www/users/\*\*\*/live/engine/Library/Enlight/Event/EventManager.php(211): Enlight\_Event\_Handler\_Plugin-\>execute(Object(Enlight\_Controller\_EventArgs)) #12 /usr/www/users/\*\*\*/live/engine/Library/Enlight/Controller/Front.php(162): Enlight\_Event\_EventManager-\>notify('Enlight\_Control...', Object(Enlight\_Controller\_EventArgs)) #13 /usr/www/users/\*\*\*/live/engine/Shopware/Kernel.php(143): Enlight\_Controller\_Front-\>dispatch() #14 /usr/www/users/\*\*\*/live/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(490): Shopware\Kernel-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, false) #15 /usr/www/users/\*\*\*/live/engine/Shopware/Components/HttpCache/AppCache.php(255): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>forward(Object(Symfony\Component\HttpFoundation\Request), false, NULL) #16 /usr/www/users/\*\*\*/live/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(447): Shopware\Components\HttpCache\AppCache-\>forward(Object(Symfony\Component\HttpFoundation\Request), false) #17 /usr/www/users/\*\*\*/live/engine/Shopware/Components/HttpCache/AppCache.php(182): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>fetch(Object(Symfony\Component\HttpFoundation\Request)) #18 /usr/www/users/\*\*\*/live/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(211): Shopware\Components\HttpCache\AppCache-\>lookup(Object(Symfony\Component\HttpFoundation\Request), true) #19 /usr/www/users/\*\*\*/live/engine/Shopware/Components/HttpCache/AppCache.php(114): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #20 /usr/www/users/\*\*\*/live/shopware.php(106): Shopware\Components\HttpCache\AppCache-\>handle(Object(Symfony\Component\HttpFoundation\Request)) #21 {main} Time: 2015-05-07T18:22:36.217162+0200 Channel: core request: { "uri": "/", "method": "GET", "query": [], "post": [] } session: No session data available shopId: 1 shopName: shop123 Geöffnet wird der Shop bzw. die Shopstartseite auf dem Smartphone. Hat jemand eine Idee ? :wink: