Sorry to hear you are experiencing trouble! Please go to app.letshighlight.com and Select "Already Have an Account" (you do not need an invite code) > Sign in with Google. Try the following, these suggestions usually do the trick:
- Clear out your cookies/
- Use a private/incognito browser
- Use a different browser than the one you are currently using (Google Chrome vs. Safari)
- Log-in through a different device (mobile vs. computer)
If the suggestions above do not work, then please send us a screenshot of the error page you are seeing! We look forward to getting this sorted out for you!