* Make sure you have access to that Facebook account.
* The first time you test the your Facebook session ID within the software – Facebook will send you an alert message saying there was a strange login and that you are required to login again
After logging back into Facebook, you will need to retrieve and apply the new session value
After this you will have no issues again us less you log out of the account
If you are having an issue with your values validating, ensure you have the latest session values
Get Started
Open GMB Extractor
Press: Tools
Press: Accounts
Open your regular internet browser
Login: https://www.facebook.com
Press: F12 – Open Developer Console
Press: Storage
Press: Cookies
Press: https://wwww.facebook.com
See Firefox / Chrome Developer Console Images Below