# Post revision dialog broken on very long post

**URL:** https://meta.discourse.org/t/post-revision-dialog-broken-on-very-long-post/190005
**Category:** Bug
**Created:** [May 11, 2021, 6:10am UTC](https://meta.discourse.org/t/post-revision-dialog-broken-on-very-long-post/190005 "2021-05-11T06:10:52Z")
**Posts on this page:** 1
**Showing post:** 6

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### Author: ![darkpixlz](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/darkpixlz/32/549896_2.png) [@darkpixlz](https://meta.discourse.org/u/darkpixlz)
#### Post date: [August 13, 2022, 3:29pm UTC](https://meta.discourse.org/t/post-revision-dialog-broken-on-very-long-post/190005/6 "2022-08-13T15:29:01Z")

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I am still having a similar issue in this topic:

> [@Problem with post revisions after updating to 2.8.6 stable or 2.9.0.beta7](https://meta.discourse.org/t/problem-with-post-revisions-after-updating-to-2-8-6-stable-or-2-9-0-beta7/232885/19):
>
> @darkpixlz please can you follow these steps and let us know what you find:
> 
> Please can you visit `/logs` and look for any errors like
> 
> ```plaintext
> Psych::DisallowedClass (Tried to load unspecified class: Time)
> 
> ```
> 
> The “Time” version is the only one we were seeing, and should now be resolved. What other ‘unspecified class’ errors do you see in your logs?

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