That sounds a bit strange. 

Try quitting your web browser and loading it back up again. This might be a web browser issue as well. These are a few things that usually help:

* Make sure your browser is up to date. *If you’re using Internet Explorer, please note that the minimum requirement is Internet Explorer 10.* Versions before this may cause you to see errors on our website.

* Clear the cache on your browser. Access the Help menu of your browser to locate step-by-step instructions.

* Switch to a supported browser, like Google Chrome.