I have this flow that takes an attachment received via email and creates a new file on SharePoint . The flow works for smaller reports, but with a larger report I'm receiving (41MB), I am receiving a 520 error. I receive this report daily, and would love to automate the publishing of the report to SharePoint. Has anyone resolved this issue? Thank you.

{ "Message": "API Hub token exchange internal server failure.", "SourceUri": "https://power-te-northeurope-3.azurewebsites.net//exchange", "IsCachedResponse": "false" }

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It seems to be a bug for MS Flow currently, you can find the similar topic in the following thread.
Error 520 - API Hub token exchange internal server failure

If it is urgent to your business, I suggest you open a ticket from Microsoft.

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