webconsole error at https://en.wikipedia.org/w/index.php?title=Juan_de_Nova_Island&veaction=edit and the VisualEditor doesn't load at all. (It seems to refresh the page in read mode)
"One of the load requests failed (unhandled)." load.php:156:549 console.trace(): load.php:156 log.warn() load.php:156 mw.libs.ve.targetLoader.requestPageData/restbasePromise<() load.php:645 .Deferred/promise.then/</</<() load.php:47 jQuery.Callbacks/fire() load.php:45 jQuery.Callbacks/self.fireWith() load.php:46 done() load.php:135 .send/callback() load.php:141
(confirmed in Firefox 38 and Chromium 37 (logged-out), Ubuntu)