Backend Fatal error nach Update

Moin wir haben ein erstes Shopware Projekt (und sind sehr angetan) und benötigen einmal Hilfe. Nun haben wir jedoch plötzlich das Problem eines unerwarteten Fatal Errors beim Aufruf des Backends. Der Fehler ließ sich dadurch lösen, dass wir den Cache händisch gelöscht haben. Aber er tritt immer wieder auf - wir konnten nicht herausfinden nach welcher Aktion. Inzwischen hilf das Cache-Löschen auch nicht mehr. Hat jemand eine Idee wie wir weiter vorgehen können? Vielen Dank Thorsten Hier die Fehlermeldung: Fatal error: Uncaught exception ‚SmartyException‘ with message ‚Unable to load template snippet ‚backend/error/index.tpl‘‘ in /home/www/p260236/html/shopware/engine/Library/Smarty/sysplugins/smarty_internal_templatebase.php:127 Stack trace: #0 /home/www/p260236/html/shopware/engine/Library/Enlight/View/Default.php(274): Smarty_Internal_TemplateBase->fetch() #1 /home/www/p260236/html/shopware/engine/Library/Enlight/Controller/Plugins/ViewRenderer/Bootstrap.php(216): Enlight_View_Default->render(Object(Enlight_Template_Default)) #2 /home/www/p260236/html/shopware/engine/Library/Enlight/Controller/Plugins/ViewRenderer/Bootstrap.php(242): Enlight_Controller_Plugins_ViewRenderer_Bootstrap->renderTemplate(Object(Enlight_Template_Default)) #3 /home/www/p260236/html/shopware/engine/Library/Enlight/Controller/Plugins/ViewRenderer/Bootstrap.php(136): Enlight_Controller_Plugins_ViewRenderer_Bootstrap->render() #4 [internal function]: Enlight_Controller_Plugins_ViewRenderer_Bootstrap->onPostDispatch(Object(Enlight_Controller_ActionEventArgs)) #5 /home/www/p260236/html/shopware/engine/Library/Enlight/Event/Handler/Default.php(91): call_user_func(Array, Object(Enlight_Controller_ActionEventArgs)) #6 /home/www/p260236/html/shopware/engine/Library/Enlight/Event/EventManager.php(211): Enlight_Event_Handler_Default->execute(Object(Enlight_Controller_ActionEventArgs)) #7 /home/www/p260236/html/shopware/engine/Library/Enlight/Controller/Action.php(202): Enlight_Event_EventManager->notify(‚Enlight_Control…‘, Object(Enlight_Controller_ActionEventArgs)) #8 /home/www/p260236/html/shopware/engine/Library/Enlight/Controller/Dispatcher/Default.php(524): Enlight_Controller_Action->dispatch(‚genericErrorAct…‘) #9 /home/www/p260236/html/shopware/engine/Library/Enlight/Controller/Front.php(227): Enlight_Controller_Dispatcher_Default->dispatch(Object(Enlight_Controller_Request_RequestHttp), Object(Enlight_Controller_Response_ResponseHttp)) #10 /home/www/p260236/html/shopware/engine/Shopware/Kernel.php(143): Enlight_Controller_Front->dispatch() #11 /home/www/p260236/html/shopware/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(490): Shopware\Kernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #12 /home/www/p260236/html/shopware/engine/Shopware/Components/HttpCache/AppCache.php(255): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true, NULL) #13 /home/www/p260236/html/shopware/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(447): Shopware\Components\HttpCache\AppCache->forward(Object(Symfony\Component\HttpFoundation\Request), true) #14 /home/www/p260236/html/shopware/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(347): Symfony\Component\HttpKernel\HttpCache\HttpCache->fetch(Object(Symfony\Component\HttpFoundation\Request), true) #15 /home/www/p260236/html/shopware/engine/Shopware/Components/HttpCache/AppCache.php(178): Symfony\Component\HttpKernel\HttpCache\HttpCache->lookup(Object(Symfony\Component\HttpFoundation\Request), true) #16 /home/www/p260236/html/shopware/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(211): Shopware\Components\HttpCache\AppCache->lookup(Object(Symfony\Component\HttpFoundation\Request), true) #17 /home/www/p260236/html/shopware/engine/Shopware/Components/HttpCache/AppCache.php(114): Symfony\Component\HttpKernel\HttpCache\HttpCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #18 /home/www/p260236/html/shopware/shopware.php(101): Shopware\Components\HttpCache\AppCache->handle(Object(Symfony\Component\HttpFoundation\Request)) #19 {main} thrown in /home/www/p260236/html/shopware/engine/Library/Smarty/sysplugins/smarty_internal_templatebase.php on line 127 503 Service Unavailable