Blank Space on Frontend and I got some Error in Backend

In shopware5,I got the following in error in Log File [2015-06-22 16:37:06] core.ERROR: exception ‚Doctrine\ORM\Mapping\MappingException‘ with message ‚No mapping found for field ‚customerGroup‘ on class ‚Shopware\Models\Attribute\CustomerGroup‘.‘ in /home/foster/www/htdocs/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/MappingException.php:153 Stack trace: #0 /home/foster/www/htdocs/vendor/doctrine/orm/lib/Doctrine/ORM/Mapping/ClassMetadataInfo.php(1129): Doctrine\ORM\Mapping\MappingException::mappingNotFound(‚Shopware\Models…‘, ‚customerGroup‘) #1 /home/foster/www/htdocs/engine/Library/Doctrine/ORM/Persisters/BasicEntityPersister.php(1297): Doctrine\ORM\Mapping\ClassMetadataInfo->getAssociationMapping(‚customerGroup‘) #2 /home/foster/www/htdocs/engine/Library/Doctrine/ORM/Persisters/BasicEntityPersister.php(1147): Doctrine\ORM\Persisters\BasicEntityPersister->getSelectColumnsSQL() #3 /home/foster/www/htdocs/engine/Library/Doctrine/ORM/Persisters/BasicEntityPersister.php(766): Doctrine\ORM\Persisters\BasicEntityPersister->getSelectSQL(Array, NULL, 0, NULL, NULL, NULL) #4 /home/foster/www/htdocs/vendor/doctrine/orm/lib/Doctrine/ORM/Proxy/ProxyFactory.php(172): Doctrine\ORM\Persisters\BasicEntityPersister->load(Array, Object(Shopware\Proxies__CG__\Shopware\Models\Customer\Group)) #5 /home/foster/www/htdocs/cache/production_201505261453/doctrine/proxies/__CG__ShopwareModelsCustomerGroup.php(208): Doctrine\ORM\Proxy\ProxyFactory->Doctrine\ORM\Proxy{closure}(Object(Shopware\Proxies__CG__\Shopware\Models\Customer\Group), ‚getKey‘, Array) #6 /home/foster/www/htdocs/cache/production_201505261453/doctrine/proxies/__CG__ShopwareModelsCustomerGroup.php(208): Closure->__invoke(Object(Shopware\Proxies__CG__\Shopware\Models\Customer\Group), ‚getKey‘, Array) #7 /home/foster/www/htdocs/engine/Shopware/Bundle/StoreFrontBundle/Service/Core/ContextService.php(179): Shopware\Proxies__CG__\Shopware\Models\Customer\Group->getKey() #8 /home/foster/www/htdocs/engine/Shopware/Models/Shop/Shop.php(711): Shopware\Bundle\StoreFrontBundle\Service\Core\ContextService->initializeShopContext() #9 /home/foster/www/htdocs/engine/Shopware/Plugins/Default/Core/Router/Bootstrap.php(129): Shopware\Models\Shop\Shop->registerResources(Object(Shopware_Proxies_ShopwareBootstrapProxy)) #10 /home/foster/www/htdocs/engine/Library/Enlight/Event/Handler/Plugin.php(149): Shopware_Plugins_Core_Router_Bootstrap->onRouteStartup(Object(Enlight_Controller_EventArgs)) #11 /home/foster/www/htdocs/engine/Library/Enlight/Event/EventManager.php(211): Enlight_Event_Handler_Plugin->execute(Object(Enlight_Controller_EventArgs)) #12 /home/foster/www/htdocs/engine/Library/Enlight/Controller/Front.php(162): Enlight_Event_EventManager->notify(‚Enlight_Control…‘, Object(Enlight_Controller_EventArgs)) #13 /home/foster/www/htdocs/engine/Shopware/Kernel.php(143): Enlight_Controller_Front->dispatch() #14 /home/foster/www/htdocs/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(490): Shopware\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #15 /home/foster/www/htdocs/engine/Shopware/Components/HttpCache/AppCache.php(255): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true, NULL) #16 /home/foster/www/htdocs/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(447): Shopware\Components\HttpCache\AppCache->forward(Object(Symfony\Component\HttpFoundation\Request), true) #17 /home/foster/www/htdocs/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(347): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch(Object(Symfony\Component\HttpFoundation\Request), true) #18 /home/foster/www/htdocs/engine/Shopware/Components/HttpCache/AppCache.php(178): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup(Object(Symfony\Component\HttpFoundation\Request), true) #19 /home/foster/www/htdocs/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(211): Shopware\Components\HttpCache\AppCache->lookup(Object(Symfony\Component\HttpFoundation\Request), true) #20 /home/foster/www/htdocs/engine/Shopware/Components/HttpCache/AppCache.php(114): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #21 /home/foster/www/htdocs/shopware.php(101): Shopware\Components\HttpCache\AppCache->handle(Object(Symfony\Component\HttpFoundation\Request)) #22 {main} {„uid“:„86b5ecb“} Please help me to find a solution

Hello, in some cases this issue is caused by some missing foreign keys in the database. As first step I would recommend executing our foreign-key repair script. You can find it here: http://en.wiki.shopware.com/_detail_1238.html Moritz

Problem Solved Thousand Thanks :thumbup: