# 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:** 3

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### Author: ![Ed\_Bobkov](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/ed_bobkov/32/200014_2.png) [@Ed\_Bobkov](https://meta.discourse.org/u/Ed_Bobkov)
#### Post date: [December 7, 2020, 11:55pm UTC](https://meta.discourse.org/t/signup-error-pg-uniqueviolation-error-duplicate-key-value-violates-unique-constraint/172572/3 "2020-12-07T23:55:27Z")

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Dear Sam, you are great!

I caused this problem myself. I set a default watch category for users with Trust\_level\_0. This created a problem and signups failed. So I deleted the watched category for this group and now signups are working.

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_[View the full topic](https://meta.discourse.org/t/signup-error-pg-uniqueviolation-error-duplicate-key-value-violates-unique-constraint/172572)._