Looks like a newly created server, created some havoc and introduced some bad cookie data. This will persist across browsing sessions or restarts. The only way to rectify is to manually clear, or let them expire.

To clear the WIS cookies on your browser, please go to: https://www.whatifsports.com/account/clearcookies

Also, here is a great article that explains how to clear your cache on basically any browser and device: https://kb.iu.edu/d/ahic

* Please note that WhatIfSports uses SportsHub as our Account Management and Single-Sign-On System. If you are using multiple accounts or have recently updated your account you may need to logout and log back into SportsHub here:
https://idsrv.fanball.com/logout

If the above does not work for you please open a support ticket.

Sincerely,
-Chris
WhatIfSports