Given that lots of people started having this problem at once, I think something changed on the server side that VisibleTesla wasn't prepared to deal with. I see where it's going wrong, but am not yet sure why. I hope to be able to spend some time debugging soon.
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Just noticed that this is post 1000 on this thread. Too bad it's about a problem!
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Just noticed that this is post 1000 on this thread. Too bad it's about a problem!