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.
+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?
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Thanks for the reply, it is working for me now as well, and no it wasn't a wifi issue :)