# Backend Fehler

**URL:** <https://forum.shopware.com/t/backend-fehler/29219>\
**Category:** Installation/Einstieg\
**Created:** [28. Juli 2015 um 18:37 UTC](https://forum.shopware.com/t/backend-fehler/29219 "2015-07-28T18:37:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Kloemi](https://avatars.discourse-cdn.com/v4/letter/k/49beb7/32.png) [@Kloemi](https://forum.shopware.com/u/Kloemi)\
**Post date:** [28. Juli 2015 um 18:37 UTC](https://forum.shopware.com/t/backend-fehler/29219/1 "2015-07-28T18:37:18Z")

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Hallo liebe Gemeinde, nach der Installation wollte ich im Backend die Sprache ändern und plötzlich kam diese Fehlermeldung: `Ups! Ein Fehler ist aufgetreten! Die nachfolgenden Hinweise sollten Ihnen weiterhelfen. The identifier id is missing for a query of Shopware\Models\Shop\Locale in vendor/doctrine/orm/lib/Doctrine/ORM/ORMException.php on line 259 Stack trace: #0 vendor/doctrine/orm/lib/Doctrine/ORM/EntityManager.php(427): Doctrine\ORM\ORMException::missingIdentifierField('Shopware\\MMdell...', 'id') #1 vendor/doctrine/orm/lib/Doctrine/ORM/EntityRepository.php(154): Doctrine\ORM\EntityManager-\>find('Shopware\\MMdell...', NULL, 0, NULL) #2 Shopware/Plugins/Default/Backend/Auth/Bootstrap.php(278): Doctrine\ORM\EntityRepository-\>find(NULL) #3 Shopware/Plugins/Default/Backend/Auth/Bootstrap.php(208): Shopware\_Plugins\_Backend\_Auth\_Bootstrap-\>initLocale() #4 Enlight/Event/Handler/Plugin.php(149): Shopware\_Plugins\_Backend\_Auth\_Bootstrap-\>onPreDispatchBackend(Object(Enlight\_Controller\_ActionEventArgs)) #5 Enlight/Event/EventManager.php(211): Enlight\_Event\_Handler\_Plugin-\>execute(Object(Enlight\_Controller\_ActionEventArgs)) #6 Enlight/Controller/Action.php(138): Enlight\_Event\_EventManager-\>notify('Enlight\_Control...', Object(Enlight\_Controller\_ActionEventArgs)) #7 Enlight/Controller/Dispatcher/Default.php(524): Enlight\_Controller\_Action-\>dispatch('indexAction') #8 Enlight/Controller/Front.php(227): Enlight\_Controller\_Dispatcher\_Default-\>dispatch(Object(Enlight\_Controller\_Request\_RequestHttp), Object(Enlight\_Controller\_Response\_ResponseHttp)) #9 Shopware/Kernel.php(143): Enlight\_Controller\_Front-\>dispatch() #10 vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(490): Shopware\Kernel-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #11 Shopware/Components/HttpCache/AppCache.php(255): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>forward(Object(Symfony\Component\HttpFoundation\Request), true, NULL) #12 vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(447): Shopware\Components\HttpCache\AppCache-\>forward(Object(Symfony\Component\HttpFoundation\Request), true) #13 vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(347): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>fetch(Object(Symfony\Component\HttpFoundation\Request), true) #14 Shopware/Components/HttpCache/AppCache.php(178): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>lookup(Object(Symfony\Component\HttpFoundation\Request), true) #15 vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(211): Shopware\Components\HttpCache\AppCache-\>lookup(Object(Symfony\Component\HttpFoundation\Request), true) #16 Shopware/Components/HttpCache/AppCache.php(114): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #17 shopware.php(101): Shopware\Components\HttpCache\AppCache-\>handle(Object(Symfony\Component\HttpFoundation\Request)) #18 {main} ` Hat jemand eine Idee wie ich das wieder gerade biegen kann?? Danke

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**Author:** ![SebastianKloepper](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.shopware.com/sebastiankloepper/32/21435_2.png) [@SebastianKloepper](https://forum.shopware.com/u/SebastianKloepper)\
**Post date:** [28. Juli 2015 um 18:38 UTC](https://forum.shopware.com/t/backend-fehler/29219/2 "2015-07-28T18:38:51Z")

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Hallo, mal die Suche anschmeißen 🙂 [post129117.html#p129117](http://forum.shopware.com/post129117.html#p129117) Sebastian