Kohana 3.2 ORM-based user auth error: “ORM_Validation_Exception [ 0 ]: Failed to validate array”

After being interested in it for a while, I’ve started experimenting with Kohana (v 3.2). When I started working with the ORM-based user authentication it ships with, I immediately ran into some trouble. Searches turned up scant information, so I’m posting this to help people who run into the same problem.

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