The "Session Expired" error related to Google reCAPTCHA blocking your login attempt. This can occur for several reasons. This error doesn't occur very often but has been seen by a couple of users. See the below.
If other users in your office are able to login using their credentials, then this is a local issue for this user.
Typical causes
The browser (or extension) may be populating a different password
You may be entering the wrong password or email.
Email is listed as compromised by Google
Password is too weak e.g. "love123"
Email and password have been associated with an existing compromised site(s)
The IP address you are using has been blacklisted or know to have been compromised
Solution
Clear third party login cookies. (see screenshot below)
Ask us to change your password to be changed to a strong password unique. Use the strong password from now on.
If the above doesn't work
Change your email and password
Use an email that isn't known or is new.
👍 Important Next Step
Try to login using a different computer.
Try to login using your cell phone while on data connection (Not WIFI)
Try from your home computer
Ask a colleague to try, using your username/password.