If you are having issues placing an order, first try a different browser (or computer if possible). If that doesn’t work then clear the cache:
At the top of the "Clear browsing data" window, click Advanced.
Select the following: Browsing history. Download history. Cookies and other site data. Cached images and files...
Click CLEAR DATA.
Exit/quit all browser windows and re-open the browser.
Microsoft Edge and Internet Explorer
1. Go to the three-dot menu in Microsoft Edge and select settings.
2. In the fly-out menu, click the button under Clear browsing data that reads "Choose what to clear."
3. Get rid of browsing history, cookies, cached data, stored form data, saved tabs, media licenses, website permissions, and stored passwords.