How to fix 400 Bad Request errors (and other 4xx errors)
When you get a "400 Bad Request" error in your browser (or similar error in the 400 series) while viewing some pages on our website, you may have some corrupted cookies stored on your computer. If you don't want to delete all cookies on your computer, which would wipe out all your "remember me" sites, you'll want to delete only the cookies associated with rplstoday.com. Here's how (in Chrome and Firefox): https://www.thewindowsclub.com/clear-cache-cookies-specific-website
Just did this for my Chrome. Thanks W.