It would be really helpful if you'd provide the following information so our engineer colleagues can identify and solve your problem sooner.
Which device has the problem? Viewer
Device Model Name: iphone 6
OS Version: 10.2
I can't play any videos. I uninstalled and reinstalled the app. I keep getting an error message that says error loading media or a grey screen with a line through the play icon. I can see that something recorded. There is a still shot of the image that it took just no video.
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