Title: Error when posting comic
Last modified: August 21, 2016

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# Error when posting comic

 *  Resolved [lee-sargent](https://wordpress.org/support/users/lee-sargent/)
 * (@lee-sargent)
 * [12 years, 7 months ago](https://wordpress.org/support/topic/error-when-posting-comic/)
 * When I edit and publish or update a comic it gives me a bunch of errors:
 *     ```
       Warning: call_user_func_array() [function.call-user-func-array]: First argument is expected to be a valid callback, 'publish_post' was given in /********/public_html/oddmonsters.com/wp-includes/plugin.php on line 406
   
       Warning: Cannot modify header information - headers already sent by (output started at /*********/public_html/oddmonsters.com/wp-includes/plugin.php:406) in /**********/public_html/oddmonsters.com/wp-admin/post.php on line 222
   
       Warning: Cannot modify header information - headers already sent by (output started at /**********/public_html/oddmonsters.com/wp-includes/plugin.php:406) in /**********/public_html/oddmonsters.com/wp-includes/pluggable.php on line 875
       ```
   
 * But when I check the site the comic has been published – I’ve turned all plugins
   off (except Jetpack of course) – I’ve done a clean install of WordPress and the
   theme.
 * Any idea where I might be going wrong?

Viewing 3 replies - 1 through 3 (of 3 total)

 *  Moderator [Kathryn Presner](https://wordpress.org/support/users/zoonini/)
 * (@zoonini)
 * [12 years, 7 months ago](https://wordpress.org/support/topic/error-when-posting-comic/#post-4211853)
 * Hi there, I see the issue on my side as well. Thanks for the report – I’ll bring
   this to our developers so they can have a look and will keep you posted here.
 *  Thread Starter [lee-sargent](https://wordpress.org/support/users/lee-sargent/)
 * (@lee-sargent)
 * [12 years, 7 months ago](https://wordpress.org/support/topic/error-when-posting-comic/#post-4211865)
 * Awesome thanks for the quick reply!
 * Apart from that I’m loving the simplicity of the theme – it’s just so straightforward!
 *  Moderator [Kathryn Presner](https://wordpress.org/support/users/zoonini/)
 * (@zoonini)
 * [12 years, 7 months ago](https://wordpress.org/support/topic/error-when-posting-comic/#post-4211948)
 * Hi there, these errors should be taken care of with the next version of Jetpack(
   2.6). I don’t have an ETA on the release date, but if you’d like to try out Jetpack
   2.6 alpha ahead of the official release, feel free to download it from here:
 * [http://downloads.wordpress.org/plugin/jetpack.zip](http://downloads.wordpress.org/plugin/jetpack.zip)
 * Let me know if you see any further errors. Thanks!

Viewing 3 replies - 1 through 3 (of 3 total)

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## Tags

 * [modify header](https://wordpress.org/support/topic-tag/modify-header/)

 * 3 replies
 * 2 participants
 * Last reply from: [Kathryn Presner](https://wordpress.org/support/users/zoonini/)
 * Last activity: [12 years, 7 months ago](https://wordpress.org/support/topic/error-when-posting-comic/#post-4211948)
 * Status: resolved