Versuch eines Sammelthreads zu X-CSRF-Token / Validierungsproblem

Übrigend bekam ich den Fehler bzgl. BE-Login heute Vormittag wieder:

Shopware\Components\CSRFTokenValidationException: The provided CSRF-Token is invalid. If you’re sure that the request to path “/backend/Login?file=app&no-cache=1489247157” should be valid, the called controller action needs to be whitelisted using the CSRFWhitelistAware interface. in /engine/Shopware/Components/CSRFTokenValidator.php:118 Stack trace:
#0 /engine/Library/Enlight/Event/Handler/Default.php(91): Shopware\Components\CSRFTokenValidator->checkBackendTokenValidation(Object(Enlight_Controller_ActionEventArgs))
#1 /engine/Library/Enlight/Event/EventManager.php(214): Enlight_Event_Handler_Default->execute(Object(Enlight_Controller_ActionEventArgs))
#2 /engine/Library/Enlight/Controller/Action.php(141): Enlight_Event_EventManager->notify(‘Enlight_Control…’, Object(Enlight_Controller_ActionEventArgs))
#3 /engine/Library/Enlight/Controller/Dispatcher/Default.php(523): Enlight_Controller_Action->dispatch(‘indexAction’)
#4 /engine/Library/Enlight/Controller/Front.php(223): Enlight_Controller_Dispatcher_Default->dispatch(Object(Enlight_Controller_Request_RequestHttp), Object(Enlight_Controller_Response_ResponseHttp))
#5 /engine/Shopware/Kernel.php(180): Enlight_Controller_Front->dispatch()
#6 /vendor/symfony/http-kernel/HttpCache/HttpCache.php(487): Shopware\Kernel->handle(Object(Enlight_Controller_Request_RequestHttp), 1, true)
#7 /engine/Shopware/Components/HttpCache/AppCache.php(255): Symfony\Component\HttpKernel\HttpCache\HttpCache->forward(Object(Symfony\Component\HttpFoundation\Request), true, NULL)
#8 /vendor/symfony/http-kernel/HttpCache/HttpCache.php(258): Shopware\Components\HttpCache\AppCache->forward(Object(Symfony\Component\HttpFoundation\Request), true)
#9 /engine/Shopware/Components/HttpCache/AppCache.php(103): Symfony\Component\HttpKernel\HttpCache\HttpCache->pass(Object(Symfony\Component\HttpFoundation\Request), true)
#10 /www/htdocs/w00f7e6a/shop.pepari.de/shopware.php(117): Shopware\Components\HttpCache\AppCache->handle(Object(Symfony\Component\HttpFoundation\Request))
#11 {main}

Bis zu dem Zeitpunt hatte ich mich aber noch nicht ein einziges Mal dort angemeldet.
Allerdings lief genau zu der Zeit ein File-Backup.

Grüße, Ralph