There's an easy way to work around this issue. Follow these three steps and you'll get back in the game.
1. In Safari, go to your 'Preferences' from the main menu.
2. In Preferences, go to the Privacy settings.
3. In Cookies and Website Data, select 'Always Allow'.
If you're still having issues after this, just let us know at firstname.lastname@example.org and we'll be happy to help you further.