On 09/23/2015 10:53 PM, Michael Heydekamp wrote:
But I'm hoping that one of the devs will shed some light on it, as to when this error will occur. I'm seeing it for a few weeks now.
"Invalid request! No data was saved" indicates CSRF security token check fails. Something is wrong with session or something (proxy?) removes X-Roundcube-Request header (or less likely POST parameter).
Test with disabled all plugins and use most recent stable version.