I do apologize for the inconvenience! Are you still running into the issue?
If so, what browser are you working in? This might be a situation where we give an alternative browser a try to see if it the issue specific to your browser. You can also try running your current browser without Add-On's as sometimes our browsers history can hinder us from accessing web pages down the road.
If you try the steps above, and are still running into the issue, please do feel free to reach out to us at social_support(at)constantcontact(dot)com with your Username, Location, and Internet Provider and we will absolutely investigate further for you!