# Nach dem Upgrade kann categories.json mit einem Fehler nicht geladen werden

**URL:** https://meta.discourse.org/t/after-upgrade-unable-to-load-categories-json-with-error/82540
**Category:** Bug
**Created:** [8. März 2018 um 19:07 UTC](https://meta.discourse.org/t/after-upgrade-unable-to-load-categories-json-with-error/82540 "2018-03-08T19:07:54Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![riking](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/riking/32/170938_2.png) [@riking](https://meta.discourse.org/u/riking)
#### Post date: [8. März 2018 um 21:43 UTC](https://meta.discourse.org/t/after-upgrade-unable-to-load-categories-json-with-error/82540/5 "2018-03-08T21:43:28Z")

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> [@Magnetidog](#):
>
> unfortunately I am not familiar with when/if that column was removed.

Looks like it was very recently:

> [@Discourse 2.0.0.beta4 Release Notes](https://meta.discourse.org/t/discourse-2-0-0-beta4-release-notes/82446):
>
> New features in 2.0.0.beta4 Two Factor Authentication via TOTP Thanks to community contributor @awole20 we now support Two Factor Authentication on Discourse! Two Factor Authentication can be enabled from a user’s preferences page. After verifying their password a user is prompted to scan the QR code via a supported app on their mobile device. After enabling Two Factor Authentication all existing login sessions are invalidated (you’ll need to log into all browsers again). …

Heading “Suppress category from latest”.

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