As HoneyBadger said, it's an issue with the latest release of Chrome. More information here: <a href="https://app.roll20.net/forum/post/1701776/white-box-in-the-bottom-left-of-maps/#post-1711894" rel="nofollow">https://app.roll20.net/forum/post/1701776/white-box-in-the-bottom-left-of-maps/#post-1711894</a>
