TDS return for 26Q, Q1, FY2023-24

While trying to prepare a TDS return for 26Q, Q1, FY2023-24 through NDSL RPU 4.7 version, we are getting the following error: "T-FV-3175 Either you are using old FVU version or old challan file (i.e. .csi file), please use the latest FVU version and challan file available at www.tin-nsdl.com and validate the file." We are using the latest RPU 4.7, FVU Version 8.2 and challan downloaded today 01/09/2023.