I have been getting this message in the last hour or so when I tried to export my project. It worked fine this morning, but I'm not sure why the build failed due to the connection error.
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+1 same problem, it was working about 2 hours ago for me.
I just tried it and it seems to be working fine. Are you sure your Internet connection is working?
Thanks for the reply, it is working for me now as well, and no it wasn't a wifi issue :)