id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
3486	Cryptic error message	Dave Abrahams <dave@…>	Adrian Holovaty	"{{{
#!python
class Conference(models.Model):
    name = models.CharField(maxlength=100, unique_for_year=start)
    # slug = models.SlugField(prepopulate_from=('name',))
    start = models.DateField('Date on which to start the schedule')
    finish = models.DateField('Date on which to end the schedule')

    def __str__(self):
        return '%s %s' % (self.name,self.start.year)
    
    class Admin: pass
}}}

yields:

{{{
ProgrammingError: ERROR:  relation ""auth_user"" does not exist
}}}"		closed	Database layer (models, ORM)	dev		worksforme			Unreviewed	0	0	0	0	0	0