Its not you. Its their website.  

Help why is this happening the last days ?? Hope it is fixed by tomorrow !

Having the same issue when trying to go into Represent a Client although mine is a slightly different error.  Checked and I do have the latest version of Chrome.  Also tried restarting everything and nothing is working.  Any thoughts to help this situation?

It's CRA's site. It has nothing to do with your browser. Not sure why they use that default message, but lots of people on their social media accounts complaining about the same problem.

Thanks Shelby.  I've been cursing it out for the last hour or so!

Same here~

Same here. Pity that the CRA has not extended the deadline by just a week or two.

Seems to be working now!