C.2.59 Playback file version %ld is...

The layout file that you're attempting to load was created using a newer version of XTrkCad. In order to load this file it will be necessary to upgrade your version of XTrkCad to at least the version identified within the error message.

Take full advantage of the latest features within XTrkCad by visiting the XTrkCad Fork Website and downloading the latest release.