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No it hasn't, I use it literally every single day. Like I asked a week ago, are you following the old broken link in this post ?
Try https://steemviz.com

I've tried everything, browsers, computers, IPs

Oh thats interesting.. Are you able to login via settings in the bottom left? Will look into the code again tonight

I've added an extra check to stop that error, hopefully it works for you now. I still haven't managed to trigger it myself somehow