Signing up with twitter results in 422

I’ve signed up to gitlab site with my twitter handle, but setting my email address results in a “The change you requested was rejected (422)” error.

It doesn’t look like you capture the error so the page just hangs. This is from the console:

profile Failed to load resource: the server responded with a status of 422 (status code 422)
profile.js.es6:78 Uncaught TypeError: Cannot read property ‘message’ of undefined
at Object.error (profile.js.es6:78)
at l (jquery.js:3182)
at Object.fireWith [as rejectWith] (jquery.js:3312)
at i (jquery.js:8759)
at XMLHttpRequest. (jquery.js:9123)