Your Facebook Token within your Wicked Reports account can expire for a few reasons.
Here are some other popular reasons your Facebook Token can expire:
-The token expires every 60 days automatically
-The token expires if you change your security settings or login/PW credentials inside Facebook
-The token expires if your Facebook login loses access to Facebook ads account which Wicked Reports used to get data from you
To fix this, simply deauthorize FB in your authorizations screen here: https://my.wickedreports.com/auth/dashboard
Log out of Wicked Reports, clear your cache and log back in.
Reauthorize your Facebook here: https://my.wickedreports.com/auth/dashboard