Hi Julien,

Also, try to install a new - either local or remote - environment with your
code and then try to upgrade Django there. There might be a problem
specific with this deployment. This exception, on which environment did you
receive it? Local or remote?
אורי
[email protected]


On Thu, Apr 4, 2019 at 2:07 PM Julien Enselme <
[email protected]> wrote:

> Hi,
>
> I am trying to update my project to Django 2.2 (we are currently on
> 2.0.13). When I launch `python manage.py migrate`, I get this error message
> when migration auth.0011_update_proxy_permissions is applying (full
> stacktrace is available here <https://dpaste.de/5nJJ>):
> django.db.utils.IntegrityError: duplicate key value violates unique
> constraint "idx_18141_auth_permission_content_type_id_01ab375a_uniq"
> DETAIL:  Key (content_type_id, codename)=(12, add_agency) already exists.
>
> It looks like the migration is trying to re-create already existing
> entries in the auth_permission table. At first I though it cloud because
> we recently renamed a model. But after digging and deleting the entries
> associated with the renamed model from our database in the auth_permission
> table, the problem still occurs with other proxy models.
>
> I search for a ticket about this on the bug tracker but found nothing.
>
> Can someone help me on this? I guess I can keep deleting problematic
> entries from our database one by one but it will take a long time and it
> doesn't look right.
>
> Regards,
> Julien Enselme
>
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