Fehlermeldung durch Gutschein

Ein Kunde möchte per Rechnung bestellung, dabei verwenden wir Secupay. Mit Kombination eines Gutscheins durch Shopware kann aber nicht bestellt werden : exception 'RuntimeException' with message 'No valid product number found' in /www/htdocs/w01080c7/engine/Shopware/Bundle/StoreFrontBundle/Service/Core/ProductNumberService.php:79 Stack trace: #0 /www/htdocs/w01080c7/engine/Shopware/Core/sArticles.php(1180): Shopware\Bundle\StoreFrontBundle\Service\Core\ProductNumberService-\>getMainProductNumberById('9') #1 /www/htdocs/w01080c7/engine/Shopware/Plugins/Community/Frontend/SecuSecupayPayment/Controllers/Frontend/SecuPaymentSecupay.php(480): sArticles-\>sGetArticleById('9') #2 /www/htdocs/w01080c7/engine/Shopware/Plugins/Community/Frontend/SecuSecupayPayment/Controllers/Frontend/SecuPaymentSecupay.php(136): Shopware\_Controllers\_Frontend\_SecuPaymentSecupay-\>getBasketInformation() #3 /www/htdocs/w01080c7/engine/Library/Enlight/Controller/Action.php(159): Shopware\_Controllers\_Frontend\_SecuPaymentSecupay-\>gatewayAction() #4 /www/htdocs/w01080c7/engine/Library/Enlight/Controller/Dispatcher/Default.php(524): Enlight\_Controller\_Action-\>dispatch('gatewayAction') #5 /www/htdocs/w01080c7/engine/Library/Enlight/Controller/Front.php(227): Enlight\_Controller\_Dispatcher\_Default-\>dispatch(Object(Enlight\_Controller\_Request\_RequestHttp), Object(Enlight\_Controller\_Response\_ResponseHttp)) #6 /www/htdocs/w01080c7/engine/Shopware/Kernel.php(143): Enlight\_Controller\_Front-\>dispatch() #7 /www/htdocs/w01080c7/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(490): Shopware\Kernel-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #8 /www/htdocs/w01080c7/engine/Shopware/Components/HttpCache/AppCache.php(255): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>forward(Object(Symfony\Component\HttpFoundation\Request), true, NULL) #9 /www/htdocs/w01080c7/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(447): Shopware\Components\HttpCache\AppCache-\>forward(Object(Symfony\Component\HttpFoundation\Request), true) #10 /www/htdocs/w01080c7/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(347): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>fetch(Object(Symfony\Component\HttpFoundation\Request), true) #11 /www/htdocs/w01080c7/engine/Shopware/Components/HttpCache/AppCache.php(178): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>lookup(Object(Symfony\Component\HttpFoundation\Request), true) #12 /www/htdocs/w01080c7/vendor/symfony/http-kernel/Symfony/Component/HttpKernel/HttpCache/HttpCache.php(211): Shopware\Components\HttpCache\AppCache-\>lookup(Object(Symfony\Component\HttpFoundation\Request), true) #13 /www/htdocs/w01080c7/engine/Shopware/Components/HttpCache/AppCache.php(114): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #14 /www/htdocs/w01080c7/shopware.php(101): Shopware\Components\HttpCache\AppCache-\>handle(Object(Symfony\Component\HttpFoundation\Request)) #15 {main}