1 from django.db import models 2 3 4 class Message(models.Model): 5 title = models.CharField(maxlength=200) 6 text = models.TextField() 7 date = models.DateField(auto_now_add=True) 8 9 class Comment(models.Model): 10 message = models.ForeignKey(Message) 11 text = models.TextField() 12 nick = models.CharField(maxlength=35) 13 date = models.DateField(auto_now_add=True)$ python manage.py sql mainTraceback (most recent call last): File "manage.py", line 11, in ? execute_manager(settings) File "/usr/lib/python2.3/site-packages/django/core/management.py", line 1319, in execute_manager execute_from_command_line(action_mapping, argv) File "/usr/lib/python2.3/site-packages/django/core/management.py", line 1277, in execute_from_command_line mod_list = [models.get_app(app_label) for app_label in args[1:]] File "/usr/lib/python2.3/site-packages/django/db/models/loading.py", line 46, in get_app raise ImproperlyConfigured, "App with label %s could not be found" % app_labeldjango.core.exceptions.ImproperlyConfigured: App with label main could not be found