Store funktioniert nicht?

https://de.shopware.com/ Auftruf von Link “store” rechts oben: Fatal error: Uncaught exception ‘Doctrine\ORM\NonUniqueResultException’ in /stoldbfj/www.store.shopware.com/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php:781 Stack trace: #0 /stoldbfj/www.store.shopware.com/engine/Shopware/Components/Api/Resource/Customer.php(68): Doctrine\ORM\AbstractQuery->getOneOrNullResult() #1 /stoldbfj/www.store.shopware.com/engine/Shopware/Components/Api/Resource/Customer.php(85): Shopware\Components\Api\Resource\Customer->getIdFromNumber(121346) #2 /stoldbfj/www.store.shopware.com/engine/Shopware/Plugins/Local/Core/SwagSingleSignOn/Components/AccountSync.php(41): Shopware\Components\Api\Resource\Customer->getOneByNumber(121346) #3 /stoldbfj/www.store.shopware.com/engine/Shopware/Plugins/Local/Core/SwagSingleSignOn/Components/Login.php(146): Shopware\SwagSingleSignOn\Components\AccountSync->sync(Object(stdClass)) #4 /stoldbfj/www.store.shopware.com/engine/Shopware/Plugins/Local/Core/SwagSingleSignOn/Components/Login.php(134): Shopware\SwagSingleSignOn\Components\Login->logIntoShopware(Obje in /stoldbfj/www.store.shopware.com/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php on line 781 Geht euer eigener Shop nicht???

Hallo, also bei mir funktioniert alles wie gewohnt. Moritz