Title: POST error 400
Last modified: May 19, 2022

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# POST error 400

 *  Resolved [stanikub](https://wordpress.org/support/users/stanikub/)
 * (@stanikub)
 * [4 years ago](https://wordpress.org/support/topic/post-error-400/)
 * Hi, when I try to do anything in the plugin I get this error
 *     ```
       POST https://bezpecnadomacnost.sk/wp-admin/admin-ajax.php?_fs_blog_admin=true 400
       send @ jquery.min.js?ver=3.6.0:2
       ajax @ jquery.min.js?ver=3.6.0:2
       s.ajax.s.ajax @ jquery-migrate.min.js?ver=3.3.2:2
       S.<computed> @ jquery.min.js?ver=3.6.0:2
       role_change @ ure.js?ver=4.62:412
       onchange @ users.php?page=users-user-role-editor.php:421
       _handleMouseUp @ unknown
       ```
   
 * Can you advise on how to resolve this issue?
 * Thank you.
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fpost-error-400%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Thread Starter [stanikub](https://wordpress.org/support/users/stanikub/)
 * (@stanikub)
 * [4 years ago](https://wordpress.org/support/topic/post-error-400/#post-15659857)
 * Nevermind, it looks like it resolved itself.

Viewing 1 replies (of 1 total)

The topic ‘POST error 400’ is closed to new replies.

 * ![](https://ps.w.org/user-role-editor/assets/icon-256x256.jpg?rev=1020390)
 * [User Role Editor](https://wordpress.org/plugins/user-role-editor/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/user-role-editor/#faq)
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 * [Unresolved Topics](https://wordpress.org/support/plugin/user-role-editor/unresolved/)
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 * 1 reply
 * 1 participant
 * Last reply from: [stanikub](https://wordpress.org/support/users/stanikub/)
 * Last activity: [4 years ago](https://wordpress.org/support/topic/post-error-400/#post-15659857)
 * Status: resolved