Need Help with Script Error on Screenshot

[melissaaggie98]

Hello,

I've used webpagetest.org a million times and have never seen anything like what I've seen today. My site's loading time has slowed down by several seconds and the screenshot from the text shows that there's an error box of some sort, though I can't really tell what the error is. I've had my host look into things and I've racked my brain trying to figure out how to fix this error, but I'm still coming up empty.

http://www.webpagetest.org/result/120311_3G_3HNVZ/

Can anyone shed some light on this situation for me? Thanks a bunch for your help with this.