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Editorial Team
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Asked: 2026-06-14T10:01:42+00:00

and thanks for taking the time to read my question. I am using django

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and thanks for taking the time to read my question.

I am using django 1.3 with postgresql. I have django-page-cms 1.4.5 installed. I added pages to my installed apps, run manage.py syncdb, and manage.py migrate. On my remote dev server, I can navigate the to admin/pages, and get to the add page form. However, when I try to do the insert (submit the form) I get the following error:

IntegrityError: insert or update on table "django_admin_log" violates foreign key constraint 
"django_admin_log_content_type_id_fkey"
DETAIL:  Key (content_type_id)=(24) is not present in table "django_content_type".

When I do a select on my django_content_type table, there are three rows for pages:

 20 | content              | pages             | content
 21 | pagepermission       | pages             | pagepermission
 22 | pagealias            | pages             | pagealias

I am able to insert pages on my local dev server. And the id for pagealias in my local db django_content_type is 24.

How did this carry over from local to remote? Shouldn’t this be taken from the relevant db? How can I fix this?

Remote: ubuntu, Local: win7

Thank you!

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1 Answer

  1. Editorial Team

    I had actually the same problem with two instances of the database on the remote server. Both were cached by the same instance of memcache and this was the problem.

    I could fix it by creating separated instances of memcache, restarting the servers and doing a syncdb.

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