# Getting error 403 when editing a post
**URL:** https://meta.discourse.org/t/getting-error-403-when-editing-a-post/183436
**Category:** Support
**Created:** [March 16, 2021, 4:34pm UTC](https://meta.discourse.org/t/getting-error-403-when-editing-a-post/183436 "2021-03-16T16:34:53Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@karagah\_majazi](https://meta.discourse.org/u/karagah_majazi)
#### Post date: [March 16, 2021, 4:34pm UTC](https://meta.discourse.org/t/getting-error-403-when-editing-a-post/183436/1 "2021-03-16T16:34:53Z")
I have full access and trusted level 4. when I want to save changes to a post I get pop up error 403?:
that is s for the first post in a private conversation. I can edit first post in regular topics but for the first post in a private conversation I get error 403.
Why?
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### Author:  [@simon](https://meta.discourse.org/u/simon)
#### Post date: [March 18, 2021, 12:05am UTC](https://meta.discourse.org/t/getting-error-403-when-editing-a-post/183436/2 "2021-03-18T00:05:41Z")
> [@karagah\_majazi](#):
>
> I can edit first post in regular topics but for the first post in a private conversation I get error 403.
Are the posts that you are editing personal messages, or are they regular posts in private categories? The reason I am asking is because it was my understanding that TL4 users are not supposed to be able to edit personal messages: [[retired setting] What does the "trusted users can edit others" setting do?](https://meta.discourse.org/t/what-does-the-trusted-users-can-edit-others-setting-do/92143).
Looking at the code more closely now, it seems that TL4 users _can_ edit other user’s PM posts as long as they have permission to create posts in the PM: [discourse/lib/guardian/post\_guardian.rb at main · discourse/discourse · GitHub](https://github.com/discourse/discourse/blob/master/lib/guardian/post_guardian.rb#L117). What TL4 users cannot do in a PM is edit the PM’s title or move the PM to a public category.
One other thing that could be related to the issue is are you a category moderator in the category you are editing the posts in?
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### Author:  [@karagah\_majazi](https://meta.discourse.org/u/karagah_majazi)
#### Post date: [April 11, 2021, 1:12pm UTC](https://meta.discourse.org/t/getting-error-403-when-editing-a-post/183436/3 "2021-04-11T13:12:50Z")
The problem was because of our WAF. It was resolved
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### Author:  [@system](https://meta.discourse.org/u/system)
#### Post date: [May 11, 2021, 1:12pm UTC](https://meta.discourse.org/t/getting-error-403-when-editing-a-post/183436/4 "2021-05-11T13:12:58Z")
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