# 422 error on category reorder \[improve visibility of true error ‘invalid slug’\]

**URL:** https://meta.discourse.org/t/422-error-on-category-reorder-improve-visibility-of-true-error-invalid-slug/308571
**Category:** Bug
**Created:** [May 16, 2024, 3:30pm UTC](https://meta.discourse.org/t/422-error-on-category-reorder-improve-visibility-of-true-error-invalid-slug/308571 "2024-05-16T15:30:57Z")
**Posts on this page:** 1
**Showing post:** 11

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### Author: ![JammyDodger](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/jammydodger/32/254611_2.png) [@JammyDodger](https://meta.discourse.org/u/JammyDodger)
#### Post date: [May 18, 2024, 11:08pm UTC](https://meta.discourse.org/t/422-error-on-category-reorder-improve-visibility-of-true-error-invalid-slug/308571/11 "2024-05-18T23:08:07Z")

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I can see another mention of it all the way back here:

> [@Reordering Categories Produces Error 422](https://meta.discourse.org/t/reordering-categories-produces-error-422/129948/14):
>
> This might be the problem. Do you have a category with a slug that is all numbers? If so, are you able to edit that category’s slug to something else?

It seems there were a few different cases mixed into that older #Contribute > Bug topic. The OP of this one may not have the same issue as yours.

Let’s split yours off neatly and suggest at least making the error message more obvious in the pop up.

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_[View the full topic](https://meta.discourse.org/t/422-error-on-category-reorder-improve-visibility-of-true-error-invalid-slug/308571)._