Teilweise 500 Internal Server Error

Ich habe mal den inhalt des Ordner „/logs“ Der Code soll ja auf eine nicht vorhandene Formular-Verlinkung hinweisen, wenn ich die Forenbeiträge richtig verstehe. Wie finde ich denn heraus welches Formular, habe da gar nichts gemacht? Auch keine Ahung ob das mit dem Zusammenhängt, aber der Zustand ist echt nicht schön, da ich dauernd einen 500 Error erhalte. Wär schön wenn jemad helfen würde, vielleicht auch von Shopware? [2015-03-23 13:18:57] core.ERROR: exception 'Enlight\_Exception' with message 'Could not construct form class' in /httpdocs/engine/Shopware/Controllers/Frontend/Forms.php:80 Stack trace: #0 httpdocs/engine/Library/Enlight/Controller/Action.php(159): Shopware\_Controllers\_Frontend\_Forms-\>indexAction() #1 httpdocs/engine/Library/Enlight/Controller/Dispatcher/Default.php(528): Enlight\_Controller\_Action-\>dispatch('indexAction') #2 httpdocs/engine/Library/Enlight/Controller/Front.php(228): Enlight\_Controller\_Dispatcher\_Default-\>dispatch(Object(Enlight\_Controller\_Request\_RequestHttp), Object(Enlight\_Controller\_Response\_ResponseHttp)) #3 httpdocs/engine/Shopware/Kernel.php(141): Enlight\_Controller\_Front-\>dispatch() #4 httpdocs/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(473): Shopware\Kernel-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #5 httpdocs/engine/Shopware/Components/HttpCache/AppCache.php(256): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>forward(Object(Symfony\Component\HttpFoundation\Request), true, NULL) #6 httpdocs/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(430): Shopware\Components\HttpCache\AppCache-\>forward(Object(Symfony\Component\HttpFoundation\Request), true) #7 httpdocs/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(330): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>fetch(Object(Symfony\Component\HttpFoundation\Request), true) #8 httpdocs/engine/Shopware/Components/HttpCache/AppCache.php(178): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>lookup(Object(Symfony\Component\HttpFoundation\Request), true) #9 httpdocs/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(194): Shopware\Components\HttpCache\AppCache-\>lookup(Object(Symfony\Component\HttpFoundation\Request), true) #10httpdocs/engine/Shopware/Components/HttpCache/AppCache.php(113): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #11httpdocs/shopware.php(91): Shopware\Components\HttpCache\AppCache-\>handle(Object(Symfony\Component\HttpFoundation\Request)) #12 {main} []