# Signup error: PG::UniqueViolation (ERROR: duplicate key value violates unique constraint

**URL:** https://meta.discourse.org/t/signup-error-pg-uniqueviolation-error-duplicate-key-value-violates-unique-constraint/172572
**Category:** Support
**Created:** [December 7, 2020, 11:34pm UTC](https://meta.discourse.org/t/signup-error-pg-uniqueviolation-error-duplicate-key-value-violates-unique-constraint/172572 "2020-12-07T23:34:51Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![sam](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/sam/32/102149_2.png) [@sam](https://meta.discourse.org/u/sam)
#### Post date: [December 7, 2020, 11:51pm UTC](https://meta.discourse.org/t/signup-error-pg-uniqueviolation-error-duplicate-key-value-violates-unique-constraint/172572/2 "2020-12-07T23:51:07Z")

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> [@Ed\_Bobkov](#):
>
> `set_default_categories_preferences`

Looks like your automatic watching groups have a duplicate in them. Not sure how this is possible, but can you try resetting the site setting for auto watching ?

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