A common first step to troubleshoot issues with websites is to clear the cache and/or cookies in your browser.
- Open Chrome.
- At the top-right, click More .
- Click More tools Clear browsing data.
- At the top select 'All time'.
- Make sure the box next to 'Cached images and files' is checked. As a first attempt you can leave 'Cookies and other site data' unchecked.
- Click Clear data.
- Try the site again. If it's still not working, start from step 2 above and repeat. In step 5 also choose 'Cookies and other site data' and then 'Clear data' again.