The change number provided for the request represents a server-side
changeset that doesn’t contain any files. You will only ever see this for
repositories that implement server-side changesets, such as Perforce. Add
some files to the changeset and try again.
<?xml version="1.0" encoding="utf-8"?><rsp><stat>fail</stat><err><msg>The change number specified represents an empty changeset</msg><code>212</code></err></rsp>