This will likely be a hard one to track down, let alone get a log capture for. Fortunately, everything should be saved, and a refresh should lose you nothing more than a minute of time or so. But if you can, please try the following steps of our guide to Solving Technical Issues . Step 1: Make sure to use the right browser Please check if these issues persist when using both Chrome and Firefox. Step 2: Ensure that there are no extensions/addons interfering with Roll20 Please disable all add-ons/extensions and anti-virus programs. Step 3: Clear your cache If none of the above succeeds, please thoroughly work through Step 4 . (Don't forget the complete Console Log!) Thank you!