# Shopeinstellungen Mailer 503 error **URL:** \ **Category:** Shopware 5\ **Created:** [11. Dezember 2021 um 09:31 UTC](https://forum.shopware.com/t/shopeinstellungen-mailer-503-error/91932 "2021-12-11T09:31:43Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![cerit](https://avatars.discourse-cdn.com/v4/letter/c/7ea924/32.png) [@cerit](https://forum.shopware.com/u/cerit)\ **Post date:** [11. Dezember 2021 um 09:31 UTC](https://forum.shopware.com/t/shopeinstellungen-mailer-503-error/91932/1 "2021-12-11T09:31:43Z")
Kann im shop Einstellungen mailer nicht öffnen bekomme folgende fehler meldung: Ups! Ein Fehler ist aufgetreten! Wir wurden bereits über das Problem informiert und arbeiten an einer Lösung, bitte versuchen Sie es in Kürze erneut. _OK_ Shopware logs: Could not convert database value to ‚object‘ as an error was triggered by the unserialization: ‚unserialize(): Error at offset 21 of 25 bytes‘ Apache logs: Error 213.208.246.134 503 GET /backend/Config/getForm?\_dc=1639214885142&page=1&start=0&limit=25&filter=%5B%7B%22property%22%3A%22id%22%2C%22value%22%3A124%2C%22operator%22%3Anull%2C%22expression%22%3Anull%7D%5D HTTP/1.0 ---
**Author:** ![R4M](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.shopware.com/r4m/32/9983_2.png) [@R4M](https://forum.shopware.com/u/R4M)\ **Post date:** [13. Dezember 2021 um 07:07 UTC](https://forum.shopware.com/t/shopeinstellungen-mailer-503-error/91932/2 "2021-12-13T07:07:01Z")
SW Hilfe: - Devtools deines Browsers nutzen - Browser F12 (Entwicklerwerkzeuge) aktivieren, Seite neuladen und nach Fehlerausgaben schauen - Fehlermeldungen aktivieren und untersuchen [Shopware 5 - Tutorials & FAQs - Fehlermeldungen in Shopware debuggen](https://docs.shopware.com/de/shopware-5-de/tutorials-und-faq/fehlermeldungen-in-shopware-debuggen) - Fehlermeldungen in error\_log auf Server untersuchen (mögliche PHP-Fehler, z.B. Error 500, weiße Seite) Bitte nicht mit Shopware Log verwechseln. Liegt meist außerhalb vom httpdocs-Order der Domain - ggf. beim Hoster anfragen. ---
**Author:** ![cerit](https://avatars.discourse-cdn.com/v4/letter/c/7ea924/32.png) [@cerit](https://forum.shopware.com/u/cerit)\ **Post date:** [14. Dezember 2021 um 11:43 UTC](https://forum.shopware.com/t/shopeinstellungen-mailer-503-error/91932/3 "2021-12-14T11:43:34Z")
[https://DOMAIN/backend/Config/getForm?\_dc=1639482072343&page=1&start=0&limit=25&filter=[{„property“:„id“,„value“:124,„operator“:null,„expression“:null}]](https://DOMAIN/backend/Config/getForm?_dc=1639482072343&page=1&start=0&limit=25&filter=%5B%7B%22property%22:%22id%22,%22value%22:124,%22operator%22:null,%22expression%22:null%7D%5D) ---
**Author:** ![cerit](https://avatars.discourse-cdn.com/v4/letter/c/7ea924/32.png) [@cerit](https://forum.shopware.com/u/cerit)\ **Post date:** [12. Januar 2022 um 07:25 UTC](https://forum.shopware.com/t/shopeinstellungen-mailer-503-error/91932/4 "2022-01-12T07:25:53Z")
Fatal error: Uncaught Doctrine\DBAL\Types\ConversionException: Could not convert database value to ‚object‘ as an error was triggered by the unserialization: ‚unserialize(): Error at offset 21 of 26 bytes‘ in /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/ConversionException.php:117 Stack trace: #0 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/ObjectType.php(47): Doctrine\DBAL\Types\ConversionException::conversionFailedUnserialization() #1 [internal function]: Doctrine\DBAL\Types\ObjectType-\>Doctrine\DBAL\Types{closure}() #2 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/ObjectType.php(51): unserialize() #3 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/doctrine/orm/lib/Doctrine/ORM/Internal/Hydration/AbstractHydrator.php(392): Doctrine\DBAL\Types\ObjectType-\>convertToPHPValue() #4 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/doctrine/orm/lib/Doctrine/ORM/Internal/Hydration/ArrayHydrator.php(92): Doctrine\ORM\Internal\Hydration\AbstractHydrator-\>gatherRowData() #5 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/doctrine/orm/lib/Doctrine/ORM/Internal/Hydration/ArrayHydrator.php(78): Doctrine\ORM\Internal\Hydration\ArrayHydrator-\>hydrateRowData() #6 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/doctrine/orm/lib/Doctrine/ORM/Internal/Hydration/AbstractHydrator.php(212): Doctrine\ORM\Internal\Hydration\ArrayHydrator-\>hydrateAllData() #7 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php(1084): Doctrine\ORM\Internal\Hydration\AbstractHydrator-\>hydrateAll() #8 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php(1028): Doctrine\ORM\AbstractQuery-\>executeIgnoreQueryCache() #9 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/doctrine/orm/lib/Doctrine/ORM/AbstractQuery.php(826): Doctrine\ORM\AbstractQuery-\>execute() #10 /var/www/vhosts/cleanok.at/shop.cleanok.at/engine/Shopware/Controllers/Backend/Config.php(181): Doctrine\ORM\AbstractQuery-\>getOneOrNullResult() #11 /var/www/vhosts/cleanok.at/shop.cleanok.at/engine/Library/Enlight/Controller/Action.php(182): Shopware\_Controllers\_Backend\_Config-\>getFormAction() #12 /var/www/vhosts/cleanok.at/shop.cleanok.at/engine/Library/Enlight/Controller/Dispatcher/Default.php(461): Enlight\_Controller\_Action-\>dispatch() #13 /var/www/vhosts/cleanok.at/shop.cleanok.at/engine/Library/Enlight/Controller/Front.php(225): Enlight\_Controller\_Dispatcher\_Default-\>dispatch() #14 /var/www/vhosts/cleanok.at/shop.cleanok.at/engine/Shopware/Kernel.php(197): Enlight\_Controller\_Front-\>dispatch() #15 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/symfony/http-kernel/HttpCache/SubRequestHandler.php(85): Shopware\Kernel-\>handle() #16 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/symfony/http-kernel/HttpCache/HttpCache.php(479): Symfony\Component\HttpKernel\HttpCache\SubRequestHandler::handle() #17 /var/www/vhosts/cleanok.at/shop.cleanok.at/engine/Shopware/Components/HttpCache/AppCache.php(262): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>forward() #18 /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/symfony/http-kernel/HttpCache/HttpCache.php(269): Shopware\Components\HttpCache\AppCache-\>forward() #19 /var/www/vhosts/cleanok.at/shop.cleanok.at/engine/Shopware/Components/HttpCache/AppCache.php(103): Symfony\Component\HttpKernel\HttpCache\HttpCache-\>pass() #20 /var/www/vhosts/cleanok.at/shop.cleanok.at/shopware.php(122): Shopware\Components\HttpCache\AppCache-\>handle() #21 {main} thrown in /var/www/vhosts/cleanok.at/shop.cleanok.at/vendor/doctrine/dbal/lib/Doctrine/DBAL/Types/ConversionException.php on line 117