Error when upload finished in the download section of a repository under custom domain

#!XML

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<Error>
<Code>AccessDenied</Code>
<Message>
Invalid according to Policy: Policy Condition failed: ["eq", "$success_action_redirect", "http://code.progmaatic.com/progmaatic/travel-postcards/downloads/add"]
</Message>
<RequestId>316E5E27F919B65F</RequestId>
<HostId>
2EnTZhSDSfDwWzPGdhlfTaS1Cr52BLxHS9x7JsAVuSAFp4vRGvnajGBd641JrKR1
</HostId>
</Error>