Dropbox auto backup is not working

Hi,

I used the method mentioned below for dropbox automatic backup; for a fresh new instance, it’s working perfectly. Now, I recently restored a database to a new server and setup the settings again. I now can get back up when I click “Take back up now” from dropbox integration setting page, the site gets backed up to dropbox without any error. But the schedule backup [daily] isn’t working.

I’m wondering if there’s anything went wrong while I restored the database and how can I resolve this issue!

Thanks in advance for your support.