I am having trouble getting the civicrm gmail chrome extension to work. I am using the intructions here https://vedaconsulting.co.uk/civigmail-chrome-extension. When I click on the "connect civi" button that is added to my gmail page I get an oauth login page for my site but after entering in the correct information the following error flashes across the top of my screen.

  • CiviCRM 4.7.17
  • Civicrm ext: Gmailapi 1.0-alpha1
  • Chrome: 57.0.2987.133
  • Chrome ext: CiviGmail 0.2.1

Error message

  • error: unsupported response type
  • error description: implicit grant type not supported
  • state: null

Any help on this would be appreciated

Regards Steven

  • pls ensure you state your civi version and extension version etc
    – petednz - fuzion
    Apr 13, 2017 at 2:16

1 Answer 1


I was able to get the oauth login to work by checking "Allow the implicit flow" on the basic settings for the oauth2 server I setup.


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