My pwa showing error when some one click on login with google

Based on error it could not verify access token for your service.
Please double check your configuration (both in plugin & app).

https://stackoverflow.com/questions/17896651/php-google-plus-oauth-2-0-getting-error-fetching-oauth2-access-token-messag

Had same issue. Fixed it by deleting the extra space from the client secret. When you copy it from google api console you get an extra space.