Please confirm that the Facebook account you are logged into on your browser app is the same as the one you wish to link with Walkr.

For example: If you've linked your Walkr account with Facebook Account A but have logged into the Facebook Account B on browser app, you will be unable to log into Walkr.

To resolve this issue:
1. Open the browser app and log out of your Facebook account
2. Return to Walkr, use the correct Facebook account to log in