# Database issues migrating form old version 20150822141540

**URL:** https://meta.discourse.org/t/database-issues-migrating-form-old-version-20150822141540/239413
**Category:** Self-hosting
**Created:** [September 19, 2022, 2:23pm UTC](https://meta.discourse.org/t/database-issues-migrating-form-old-version-20150822141540/239413 "2022-09-19T14:23:14Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![RGJ](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/rgj/32/523185_2.png) [@RGJ](https://meta.discourse.org/u/RGJ)
#### Post date: [September 19, 2022, 5:35pm UTC](https://meta.discourse.org/t/database-issues-migrating-form-old-version-20150822141540/239413/5 "2022-09-19T17:35:08Z")

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> [@Marcelloc](#):
>
> ```plaintext
> relation "digest_unsubscribe_keys_pkey" already exists in schema "public" (PG::DuplicateTable)
> ALTER TABLE backup.unsubscribe_keys SET SCHEMA public;
> 
> ```

Hmm that brings back old (and not so good) memories…  
There is actually a topic for this [Backup Restore Error - #9 by tgxworld](https://meta.discourse.org/t/backup-restore-error/49209/9)

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_[View the full topic](https://meta.discourse.org/t/database-issues-migrating-form-old-version-20150822141540/239413)._