Version: 2.0.89 (using KDE 4.5.90) OS: Linux I get following message when starting Kmail: KMail encountered a fatal error and will terminate now. The error was: Protocol version 27 found, expected at least 28 Same message (just in German with Kaddressbook). Might be a packaging error, but I am not sure. Will report upstream, if necessary. Reproducible: Always OS: Linux (i686) release 2.6.37-11-generic-pae Compiler: cc
> The error was: Protocol version 27 found, expected at least 28 means your akonadi server version is too old. Update your local akonadi server or report this issue to your distribution if you're using packages.