Hi Ganesh,
Please intiate the download manually. Please check what is the error you are getting while download. If it failed 401-unauthorized error, the BCWF subscribtion user name might be expired. For this you have to check with TAC.
Please refer below article for more info.
https://support.symantec.com/en_US/article.TECH242742.html
Please share the download failed message if possible.
Thanks,
Ram.