21504: RecordingSid is required.Positive FeedbackNegative FeedbackERROR: 21504error-21504 page anchorPositive FeedbackNegative FeedbackERROR Descriptiondescription page anchorPositive FeedbackNegative FeedbackYou POSTed to the /Accounts/{AccountSid}/Transcriptions resource, but you did not include a RecordingSid.