AttributeError: 'Manager' object has no attribute 'get_by_natural_key' error in Django?
I am using Django '1.5c1' . I have this line in my settings.py: AUTH_USER_MODEL = 'fileupload.galaxyuser' Here's my Galaxyuser model: class GalaxyUser(models.Model): id = models.IntegerField(primary_key=True) create_time = models.DateTimeField(null=True, blank=True) update_time = models.DateTimeField(null=True, blank=True) email = models.CharField(max_length=765) password = models.CharField(max_length=120) external = models.IntegerField(null=True, blank=True) deleted = models.IntegerField(null=True, blank=True) purged = models.IntegerField(null=True, blank=True) username = models.CharField(max