Django syncdb error: One or more models did not validate

Question

/mysite/project4

 class notes(models.Model):
   created_by = models.ForeignKey(User)
   detail = models.ForeignKey(Details)

Details and User are in the same module i.e,/mysite/project1 In project1 models i have defined

   class User():
      ......

   class Details():
      ......

When DB i synced there is an error saying

Error: One or more models did not validate: project4: Accessor for field 'detail' clashes with related field . Add a related_name argument to the definition for 'detail'.

How can this be solved..

thanks..

If it is useful to anyone, I got this same error because I was using a 3rd party lib, taggit, that I had referenced but not put into my installed apps category. — RussellStewart
– RussellStewart, Commented Nov 4, 2013 at 3:11

John Mee · Accepted Answer · 2010-04-09 14:29:11Z

8

Gee we just had this one; and I answered...

You have a number of foreign keys which django is unable to generate unique names for.

You can help out by adding "related_name" arguments to the foreignkey field definitions in your models. Eg:

 class notes(models.Model):
    created_by = models.ForeignKey(User, related_name="note_created_by_user")
    detail = models.ForeignKey(Details, related_name="noted_and_detailed")

See here for more. http://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.models.ForeignKey.related_name

edited Apr 9, 2010 at 14:29

answered Apr 9, 2010 at 14:00

John Mee

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