If it is about something being wrong with Gmail then in that case, it is advisable to get the Google chrome reinstalled also get all the browsing data cleared further click the three dots icon on the top right corner of the screen further the user should check the internet connection also the user should try to use another browser. If you are still in need of more information than in that case it is advisable to use other Email services.

See more info: http://www.email-helpline-number.co.uk/How-to-Backup-Gmail-to-another-Gmail-Account.php