Fehler beim Import über ein Plugin

Wir bekommen einen Fehler beim Import von Daten via einer API

AAddMedia(t): #0 /home/gohyywqj/www.domain.de/vendor/doctrine/orm/lib/Doctrine/ORM/EntityManager.php(741): Doctrine\ORM\ORMException::entityManagerClosed()
#1 /home/gohyywqj/www.domain.de/vendor/doctrine/orm/lib/Doctrine/ORM/EntityManager.php(577): Doctrine\ORM\EntityManager->errorIfClosed()
#2 /home/gohyywqj/www.domain.de/engine/Shopware/Components/Api/Resource/Media.php(147): Doctrine\ORM\EntityManager->persist(Object(Shopware\Models\Media\Media))
#3 /home/gohyywqj/www.domain.de/custom/plugins/WebcookiesMobiledeImporter/classes/api_wrapper.class.php(271): Shopware\Components\Api\Resource\Media->create(Array)
#4 /home/gohyywqj/www.domain.de/custom/plugins/WebcookiesMobiledeImporter/Subscriber/FrontendIndexSubscriber.php(760): webcookies\api_wrapper::AddMedia(Array)
#5 /home/gohyywqj/www.domain.de/custom/plugins/WebcookiesMobiledeImporter/Subscriber/FrontendIndexSubscriber.php(285): WebcookiesMobiledeImporter\Subscriber\FrontendIndexSubscriber->HandleImages(Array, ‚401845687‘)
#6 /home/gohyywqj/www.domain.de/custom/plugins/WebcookiesMobiledeImporter/Subscriber/FrontendIndexSubscriber.php(218): WebcookiesMobiledeImporter\Subscriber\FrontendIndexSubscriber->AddToShopware(‚401845687‘, Array, 1, ‚5‘, ‚dlr_michaeltobe…‘, ‚vehicle.tpl‘, ‚anfrage@domain.de‘)
#7 /home/gohyywqj/www.domain.de/engine/Library/Enlight/Event/Handler/Default.php(91): WebcookiesMobiledeImporter\Subscriber\FrontendIndexSubscriber->onImportMobiledeCronjob(Object(Shopware_Components_Cron_CronJob))
#8 /home/gohyywqj/www.domain.de/engine/Library/Enlight/Event/EventManager.php(258): Enlight_Event_Handler_Default->execute(Object(Shopware_Components_Cron_CronJob))
#9 /home/gohyywqj/www.domain.de/engine/Library/Enlight/Components/Cron/Manager.php(282): Enlight_Event_EventManager->notifyUntil(‚Shopware_CronJo…‘, Object(Shopware_Components_Cron_CronJob))
#10 /home/gohyywqj/www.domain.de/engine/Shopware/Commands/CronRunCommand.php(99): Enlight_Components_Cron_Manager->runJob(Object(Enlight_Components_Cron_Job))
#11 /home/gohyywqj/www.domain.de/vendor/symfony/console/Command/Command.php(255): Shopware\Commands\CronRunCommand->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#12 /home/gohyywqj/www.domain.de/vendor/symfony/console/Application.php(953): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#13 /home/gohyywqj/www.domain.de/engine/Shopware/Components/Console/Application.php(122): Symfony\Component\Console\Application->doRunCommand(Object(Shopware\Commands\CronRunCommand), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#14 /home/gohyywqj/www.domain.de/vendor/symfony/console/Application.php(248): Shopware\Components\Console\Application->doRunCommand(Object(Shopware\Commands\CronRunCommand), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#15 /home/gohyywqj/www.domain.de/engine/Shopware/Components/Console/Application.php(110): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#16 /home/gohyywqj/www.domain.de/vendor/symfony/console/Application.php(148): Shopware\Components\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#17 /home/gohyywqj/www.domain.de/bin/console(38): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput))
#18 {main}
|ADDWCMOBDE: Cannot update article ID401845687
, SWID=-1 (1.796s)

Kann einer bei dem Fehler helfen?