Title: Error when saving post
Last modified: December 1, 2020

---

# Error when saving post

 *  Resolved [dustingrof](https://wordpress.org/support/users/dustingrof/)
 * (@dustingrof)
 * [5 years, 6 months ago](https://wordpress.org/support/topic/error-when-saving-post-3/)
 * I am getting the following error when saving a post that has a relationship attached
   to it… The error only happens once, then after I click update on the post, it
   seems to be fine the second time.
 * Any help or ideas on this?
 * > Notice: Trying to access array offset on value of type bool in /home/…/wp-content/
   > plugins/post-2-post-for-acf/acf-post2post.php on line 99
   > Notice: Trying to access array offset on value of type bool in /home/…/wp-content/
   > plugins/post-2-post-for-acf/acf-post2post.php on line 130
   > Warning: Cannot modify header information – headers already sent by (output
   > started at /home/…/wp-content/plugins/post-2-post-for-acf/acf-post2post.php:
   > 99) in /home/…/wp-admin/post.php on line 231
   > Warning: Cannot modify header information – headers already sent by (output
   > started at /home/…/wp-content/plugins/post-2-post-for-acf/acf-post2post.php:
   > 99) in /home/…/wp-includes/pluggable.php on line 1296
   > Warning: Cannot modify header information – headers already sent by (output
   > started at /home/…/wp-content/plugins/post-2-post-for-acf/acf-post2post.php:
   > 99) in /home/…/wp-includes/pluggable.php on line 1299

Viewing 1 replies (of 1 total)

 *  Plugin Author [John Huebner](https://wordpress.org/support/users/hube2/)
 * (@hube2)
 * [5 years, 6 months ago](https://wordpress.org/support/topic/error-when-saving-post-3/#post-13732248)
 * I just uploaded a new version that should correct this issue

Viewing 1 replies (of 1 total)

The topic ‘Error when saving post’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/post-2-post-for-acf.svg)
 * [ACF Post-2-Post](https://wordpress.org/plugins/post-2-post-for-acf/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/post-2-post-for-acf/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/post-2-post-for-acf/)
 * [Active Topics](https://wordpress.org/support/plugin/post-2-post-for-acf/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/post-2-post-for-acf/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/post-2-post-for-acf/reviews/)

## Tags

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

 * 1 reply
 * 2 participants
 * Last reply from: [John Huebner](https://wordpress.org/support/users/hube2/)
 * Last activity: [5 years, 6 months ago](https://wordpress.org/support/topic/error-when-saving-post-3/#post-13732248)
 * Status: resolved