I'm following this tutorial Copy and transform data from and to a REST endpoint by using Azure Data Factory to load a text file from my Box.com account to my Azure Data Lake storage using REST Api connector of Azure Data Factory pipeline.
In step 3 of this section of the tutorial, I enter `Base URL` to be `https://api.box.com/2.0/files/:file_id/content (where file_id is the id of my file in Box.com). But when I run the pipeline, I get the following error:
Question: What could be a cause of this error and how can we fix it?
"errorCode": "2200", "message": "Failure happened on 'Source' side. ErrorCode=RestSourceCallFailed,'Type=Microsoft.DataTransfer.Common.Shared.HybridDeliveryException,Message=The HttpStatusCode 401 indicates failure.\nRequest URL: https://api.box.com/2.0/files/:984786751561/content\nResponse payload:,Source=Microsoft.DataTransfer.ClientLibrary,'", "failureType": "UserError", "target": "Copy data1", "details": 
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