We have setup Automation rules to automatically close issues after 30 days of activity. The rules don't work because every time they run they report the error, "The selected resolution is invalid."
Despite this message, we have triple checked that the resolution we set is valid and that the specific transition being used by the automation rule has the resoluton as a required field (because it's the Close transition).
In the "Transition fields" field we have set: resolution=Canceled
Screenshot of transition setup: image2016-2-2 10:52:37.png
Screenshot of error: image2016-2-2 10:52:17.png