Cannot see tokens

One of my players cannot see the tokens on the maps. He used Chrome and Firefox. He used F12, it gave him "Error" "and "Access Denied" Not sure how to help him.

and now it is happening to several of my players.

Could you and your players run through the following, if they could all post their findings here it would help the devs identify any potential issue. 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!) Thank you!

I actually found out what was going on and was much easier to fix than expected. Which was rather embarrassing.  I deleted recent uploads with members logged in. So they could still see the tokens, that were deleted. when logging out and back in, they could no longer see them. When reuploading, they could see them again.