If you ever experience to have the %e2%80%a8/ at the end of your urls in WordPress. It can be easily fixed. It happens when an invisible space is save in the slug of the url.
Fix the %e2%80%a8/ in WordPress urls
If you have this in your links, simply edit the slug (permalink url) to remove the last invisible character at the end of the url string and save again.
You can do it directly with the quick edit in the page or post listing.