When uploading a document for signature to Document Hub, the following error may occur. To resolve the error, rename the document then upload for signature request again.Related ArticlesDocument Hub - The call to UploadDocumentWithSignature() web service method failed. Message: The specified document exists in Document HubDocument Hub - Validation was unsuccessful in Document HubDocument Hub - DownloadDocument Failed in Document HubDocument Hub - The following value already exist DPLogin in Document HubDocument Hub - The HTTP request returned a failure code in Document Hub