I have a website that plays back a video in a webpage.  The video is a YouTube video.  The user clicks a SUBMIT button, and when the page comes back, it has a session variable that plays back the YouTube video. 
It works when I play it in Visual Studio.  But when I play it on a live site, the site does not work, and when I look at the JavaScript console in Firefox, it gives me a warning about SHA-1 encryption being not as good as SHA-2 encryption, and then also gives me the error:
Error: WebGL: getParameter: parameter: invalid enum value <enum 0x9246>
I don't know how to approach debugging in this case.  I don't see an explanation of this on the web.
Thanks

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