# "EXCEPTION: psql failed: DETAIL: Key (post\_id)=(36946) is duplicated."

**URL:** <https://meta.discourse.org/t/exception-psql-failed-detail-key-post-id-36946-is-duplicated/230356>\
**Category:** Self-hosting\
**Created:** [June 18, 2022, 5:24am UTC](https://meta.discourse.org/t/exception-psql-failed-detail-key-post-id-36946-is-duplicated/230356 "2022-06-18T05:24:27Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![pfaffman](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/pfaffman/32/120154_2.png) [@pfaffman](https://meta.discourse.org/u/pfaffman)\
**Post date:** [June 20, 2022, 8:30pm UTC](https://meta.discourse.org/t/exception-psql-failed-detail-key-post-id-36946-is-duplicated/230356/8 "2022-06-20T20:30:31Z")

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> [@MiG](#):
>
> Once everything seemed ok, I did a full backup and restored it on a new server with no issues.

Great! So glad you got it!

> [@MiG](#):
>
> The earliest backup I had that didn’t have a corrupted database was 4 months old

@sam What is disturbing is that I thought that the explanation was that this was an issue with PG\<13, but you’re running PG13.

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