Curse of Strahd: Player Can't Enter Game

I have a player who can't join our game consistently. This only occurs in my game and it begins happening in a different one of my games when I copy his character over. He says from his end that it acts like a memory leak. Anyone have any idea on what we could do to fix this?

Please ask your player to carefully work through the first three 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, starting from before trying to enter the game and waiting a few moments for all log activity to cease after the attempt!)