Is it a way to get the Massage to be on the top of a camera screen now the massage be block off by the camera image.
The message dialogues will not be shown on top of a video control. This is a limitation that was added for performance reasons.
What you can do however is to re-position your dialog boxes for the pages that have video controls, so that they do not overlap.
To position the dialog, it helps to switch on the "show system dialog position in page editor" button, see below:
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