I tried this again while not on Lithium's VPN (should have thought of that before) and I get the same error:
LT3349$ li create-project
? What is your repository name?
Only lower case characters, numbers or hyphens (-) are allowed. myresponsivestageproject
? What is the URL (include port if exists) to the dev/stage site that you will connect to (beginning with "https://")? https://yourresponsivesite.lithium.com
? Do you have a plugin token (if not press enter)? xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxx
[21:38:13] got an error when trying to make the call:
null
[21:38:13] Invalid response from server. Check your server url and version.
/Users/my.username/lia/lithium-sdk/lib/version-check.js:79
throw error;
^
Error: Invalid response from server. Check your server url and version.
at parseResponse (/Users/my.username/lia/lithium-sdk/lib/version-check.js:96:13)
at Request._callback (/Users/my.username/lia/lithium-sdk/lib/version-check.js:33:15)
at Request.self.callback (/Users/my.username/lia/lithium-sdk/node_modules/request/request.js:199:22)
at emitTwo (events.js:87:13)
at Request.emit (events.js:172:7)
at Request.<anonymous> (/Users/my.username/lia/lithium-sdk/node_modules/request/request.js:1160:14)
at emitOne (events.js:82:20)
at Request.emit (events.js:169:7)
at IncomingMessage.<anonymous> (/Users/my.username/lia/lithium-sdk/node_modules/request/request.js:1111:12)
at emitNone (events.js:72:20)
I'm off this next week, but my team will look into this now that we can reproduce the issue an should hopefully have a fix for you soon.
-Doug