Continually 'preparing backup'

For the last fortnight my hard drive never seems to back up continually stuck on ‘Preparing Backup’. It can sit like that for hours. My mac also warms up significantly while this happens. Any ideas?

Hi rgh1,

You can refer to the links mentioned below in order to resolve the issue.

https://support-en.wd.com/app/answers/detail/a_id/3653

https://support-en.wd.com/app/answers/detail/a_id/17455

https://support-en.wd.com/app/answers/detail/a_id/8701