CFWheels

Started with http://code.google.com/p/cfwheels-dbmigrate/ which last released 0.6 in October 2010.
Now trying the 0.8.2 release of its fork on Github, https://github.com/charliecochran/cfwheels-dbmigrate-plugin

http://cfwheels.org/docs/1-1/function/errorson

If you have more than one error on a property (aka column in a database table, as defined in your model) you need to create custom errors so you can name them

For instance, in your User.cfc model in your custom error method you have: