# Internal Server Error Could not sign payload with store secret for app:

**URL:** <https://forum.shopware.com/t/internal-server-error-could-not-sign-payload-with-store-secret-for-app/88078>\
**Category:** Shopware 6 (German)\
**Created:** [2. Juni 2021 um 12:00 UTC](https://forum.shopware.com/t/internal-server-error-could-not-sign-payload-with-store-secret-for-app/88078 "2021-06-02T12:00:54Z")\
**Posts on this page:** 3\
**Page:** 2

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**Author:** ![francesco.pisello](https://avatars.discourse-cdn.com/v4/letter/f/ba8739/32.png) [@francesco.pisello](https://forum.shopware.com/u/francesco.pisello)\
**Post date:** [12. Juli 2021 um 09:49 UTC](https://forum.shopware.com/t/internal-server-error-could-not-sign-payload-with-store-secret-for-app/88078/21 "2021-07-12T09:49:40Z")

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Hi, any update on this issue? we are still blocked by the mailcShopware6MailchimpIntegration error on Shopware 6.4.0.0

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**Author:** ![jansass](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.shopware.com/jansass/32/13367_2.png) [@jansass](https://forum.shopware.com/u/jansass)\
**Post date:** [20. Juli 2021 um 07:26 UTC](https://forum.shopware.com/t/internal-server-error-could-not-sign-payload-with-store-secret-for-app/88078/22 "2021-07-20T07:26:05Z")

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Es gibt offenbar einige Installationen 6.4.2.1, und welche, mit denen es nicht funktioniert. Mailchimp sagt nun:

> The developers of the integration have requested you reach out to Shopware to look into the issue further, as this is something that is being caused on their end and not something the developers have any access to.

Da wir eine CE einsetzen, haben wir keinen Support von Shopware. Hat jemand noch Ideen ?

Beste Grüße  
Jan

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**Author:** ![cci-woelfel](https://dub1.discourse-cdn.com/flex013/user_avatar/forum.shopware.com/cci-woelfel/32/24017_2.png) [@cci-woelfel](https://forum.shopware.com/u/cci-woelfel)\
**Post date:** [7. März 2025 um 12:23 UTC](https://forum.shopware.com/t/internal-server-error-could-not-sign-payload-with-store-secret-for-app/88078/23 "2025-03-07T12:23:10Z")

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Folgendes sollte den Fehler beheben:

Unter [Einstellungen → System → Shopware - Account] die Lizenzdomain und die Verifikationsprüfsumme angeben

Unter Erweiterungen → Store → belibiges kostenfreies Plugin → die Anmeldung des Shopware Accounts durchführen

Danach sollten sich die Plugins korrekt installieren und ausführen lassen.

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