Title: PHP error on saving settings
Last modified: January 12, 2018

---

# PHP error on saving settings

 *  Resolved [osti47](https://wordpress.org/support/users/osti47/)
 * (@osti47)
 * [8 years, 5 months ago](https://wordpress.org/support/topic/php-error-on-saving-settings/)
 * whenever I save the plugin settings I get a white page with the following PHP
   errors, settings still seem to be saved.
 * Notice: Undefined index: tools in /…/wp/wp-content/plugins/wonderm00ns-simple-
   facebook-open-graph-tags/admin/class-webdados-fb-open-graph-admin.php on line
   456
 * Warning: Cannot modify header information – headers already sent by (output started
   at /…/wp/wp-content/plugins/wonderm00ns-simple-facebook-open-graph-tags/admin/
   class-webdados-fb-open-graph-admin.php:456) in /…/wp/wp-includes/pluggable.php
   on line 1216
    -  This topic was modified 8 years, 5 months ago by [osti47](https://wordpress.org/support/users/osti47/).

Viewing 1 replies (of 1 total)

 *  [Marco Almeida | Webdados](https://wordpress.org/support/users/webdados/)
 * (@webdados)
 * [8 years, 5 months ago](https://wordpress.org/support/topic/php-error-on-saving-settings/#post-9861215)
 * Thanks for the heads up, it will be fixed in the next release, in some minutes.

Viewing 1 replies (of 1 total)

The topic ‘PHP error on saving settings’ is closed to new replies.

 * ![](https://ps.w.org/wonderm00ns-simple-facebook-open-graph-tags/assets/icon-
   256x256.gif?rev=2891184)
 * [Open Graph and Twitter Card Tags](https://wordpress.org/plugins/wonderm00ns-simple-facebook-open-graph-tags/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/wonderm00ns-simple-facebook-open-graph-tags/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/wonderm00ns-simple-facebook-open-graph-tags/)
 * [Active Topics](https://wordpress.org/support/plugin/wonderm00ns-simple-facebook-open-graph-tags/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/wonderm00ns-simple-facebook-open-graph-tags/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/wonderm00ns-simple-facebook-open-graph-tags/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Marco Almeida | Webdados](https://wordpress.org/support/users/webdados/)
 * Last activity: [8 years, 5 months ago](https://wordpress.org/support/topic/php-error-on-saving-settings/#post-9861215)
 * Status: resolved