Unfotunately Shehzad, I cannot replicate the problem.   It seems to be a problem specific to your setup.   You might have an extension interfering. Or maybe a popup blocker.  I'd check your security settings, try in a different browser, try in an incognito or private browser, etc.   If nothing works, I suggest contacting Roll20 via the    Help Center   .   When you contact the Help Center I suggest using a video to show how you are doing this rather than screenshots. It would save a lot of time as there was confusion on how you were getting here.