# Changing user settings results in 422 Unprocessable Entity / ActiveRecord::RecordInvalid

**URL:** <https://meta.discourse.org/t/changing-user-settings-results-in-422-unprocessable-entity-activerecord-recordinvalid/36722>\
**Category:** Bug\
**Created:** [2015 年 12 月 14 日午後 11:56 UTC](https://meta.discourse.org/t/changing-user-settings-results-in-422-unprocessable-entity-activerecord-recordinvalid/36722 "2015-12-14T23:56:29Z")\
**Posts on this page:** 1\
**Showing post:** 7

<div class="post-metadata">

**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:** [2015 年 12 月 15 日午後 11:07 UTC](https://meta.discourse.org/t/changing-user-settings-results-in-422-unprocessable-entity-activerecord-recordinvalid/36722/7 "2015-12-15T23:07:21Z")

</div>

Can you rename system to systemus… or something…

min\_username\_length longer than 5 is a huge pain due to that…

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