This happened in your game? Steps to reproduce this issue, if you know how it came about? I will provide the standard Roll20 Troubleshooting steps. At the end of these steps you can provide your Console Log which will help to diagnose the problem. Can you please follow Steps 1-3 of our Solving Technical Issues wiki page, taking special care to temporarily disable all browser add-ons and extensions, temporarily pause your anti-virus, and try switching browsers (for Chrome/Firefox specific issues) to see if one of those components is causing the problem. If all of that fails, please follow Step 4 , including providing all of the necessary information, so that we can further assist you.