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Power Platform Community / Forums / Power Apps / Client application fai...
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Client application failed to provide authentication token for HTTP request

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I have two dataflow which connect to a teams SharePoint site. It was daily refresh and smooth from last 3 months.
Sudden refresh error as
Error Code: Mashup Exception Data Source Error, Error Details: Couldn't refresh the entity because of an issue with the mashup document MashupException.Error: DataSource.Error: Credentials are required to decrypt this workbook, but none were provided. Details: Reason = DataSource.Error;ErrorCode = 10832;Path = https://xxxx.sharepoint.com/teams/yyyyy;ErrorMessage = Client application failed to provide authentication token for HTTP request., CorrelationId=021ff479-bb4b-4a14-bf23-fa8045cd396d, CorrelationId.Description=PolicyProfile;Microsoft.Data.Mashup.Error.Context = User (Request ID: 492ecdc6-ba3d-463f-b175-9274d5d312d9).
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