Title: Error On Save / Update Post Last modified: February 23, 2018 --- # Error On Save / Update Post * Resolved [Darktorr](https://wordpress.org/support/users/darktorr/) * (@darktorr) * [8 years, 1 month ago](https://wordpress.org/support/topic/error-on-save-update-post/) * I’ve found an error when I save a post. The incompatibility is with WordPress SEO (Yoast) 6.3.1 I got this error: * ( ! ) Notice: Trying to get property of non-object in C:\Users\Torr\Sites\themehadoq. com\wp-content\plugins\easy-table-of-contents\easy-table-of-contents.php on line 594 Call Stack # Time Memory Function Location 1 0.2010 441496 {main}( ) …\post. php:0 2 1.1091 40666912 edit_post( ) …\post.php:194 3 1.1301 40679864 wp_update_post()…\ post.php:377 4 1.1481 40688624 wp_insert_post( ) …\post.php:3654 5 1.2511 40794496 do_action( ) …\post.php:3581 6 1.2511 40794768 WP_Hook->do_action( ) …\plugin. php:453 7 1.2511 40794768 WP_Hook->apply_filters( ) …\class-wp-hook.php:310 8 1.2821 40794192 WPSEO_Link_Watcher->save_post( ) …\class-wp-hook.php:288 9 1.2821 40794192 WPSEO_Link_Watcher->process( ) …\class-link-watcher.php:61 10 1.2821 40794192 apply_filters( ) …\class-link-watcher.php:114 11 1.2821 40794488 WP_Hook- >apply_filters( ) …\plugin.php:203 12 1.2841 40801952 ezTOC::the_content( ) …\ class-wp-hook.php:286 13 1.2841 40801952 ezTOC::build( ) …\easy-table-of-contents. php:1110 14 1.2841 40802000 ezTOC::extract_headings( ) …\easy-table-of-contents. php:924 * ( ! ) Notice: Trying to get property of non-object in C:\Users\Torr\Sites\themehadoq. com\wp-content\plugins\easy-table-of-contents\easy-table-of-contents.php on line 595 Call Stack # Time Memory Function Location 1 0.2010 441496 {main}( ) …\post. php:0 2 1.1091 40666912 edit_post( ) …\post.php:194 3 1.1301 40679864 wp_update_post()…\ post.php:377 4 1.1481 40688624 wp_insert_post( ) …\post.php:3654 5 1.2511 40794496 do_action( ) …\post.php:3581 6 1.2511 40794768 WP_Hook->do_action( ) …\plugin. php:453 7 1.2511 40794768 WP_Hook->apply_filters( ) …\class-wp-hook.php:310 8 1.2821 40794192 WPSEO_Link_Watcher->save_post( ) …\class-wp-hook.php:288 9 1.2821 40794192 WPSEO_Link_Watcher->process( ) …\class-link-watcher.php:61 10 1.2821 40794192 apply_filters( ) …\class-link-watcher.php:114 11 1.2821 40794488 WP_Hook- >apply_filters( ) …\plugin.php:203 12 1.2841 40801952 ezTOC::the_content( ) …\ class-wp-hook.php:286 13 1.2841 40801952 ezTOC::build( ) …\easy-table-of-contents. php:1110 14 1.2841 40802000 ezTOC::extract_headings( ) …\easy-table-of-contents. php:924 * ( ! ) Notice: Trying to get property of non-object in C:\Users\Torr\Sites\themehadoq. com\wp-content\plugins\easy-table-of-contents\easy-table-of-contents.php on line 596 Call Stack # Time Memory Function Location 1 0.2010 441496 {main}( ) …\post. php:0 2 1.1091 40666912 edit_post( ) …\post.php:194 3 1.1301 40679864 wp_update_post()…\ post.php:377 4 1.1481 40688624 wp_insert_post( ) …\post.php:3654 5 1.2511 40794496 do_action( ) …\post.php:3581 6 1.2511 40794768 WP_Hook->do_action( ) …\plugin. php:453 7 1.2511 40794768 WP_Hook->apply_filters( ) …\class-wp-hook.php:310 8 1.2821 40794192 WPSEO_Link_Watcher->save_post( ) …\class-wp-hook.php:288 9 1.2821 40794192 WPSEO_Link_Watcher->process( ) …\class-link-watcher.php:61 10 1.2821 40794192 apply_filters( ) …\class-link-watcher.php:114 11 1.2821 40794488 WP_Hook- >apply_filters( ) …\plugin.php:203 12 1.2841 40801952 ezTOC::the_content( ) …\ class-wp-hook.php:286 13 1.2841 40801952 ezTOC::build( ) …\easy-table-of-contents. php:1110 14 1.2841 40802000 ezTOC::extract_headings( ) …\easy-table-of-contents. php:924 * ( ! ) Warning: Cannot modify header information – headers already sent by (output started at C:\Users\Torr\Sites\themehadoq.com\wp-content\plugins\easy-table-of- contents\easy-table-of-contents.php:594) in C:\Users\Torr\Sites\themehadoq.com\ wp-admin\post.php on line 198 Call Stack # Time Memory Function Location 1 0.2010 441496 {main}( ) …\post.php:0 2 1.5711 40812144 setcookie ( ) …\post.php:198 * ( ! ) Warning: Cannot modify header information – headers already sent by (output started at C:\Users\Torr\Sites\themehadoq.com\wp-content\plugins\easy-table-of- contents\easy-table-of-contents.php:594) in C:\Users\Torr\Sites\themehadoq.com\ wp-includes\pluggable.php on line 1216 Call Stack # Time Memory Function Location 1 0.2010 441496 {main}( ) …\post.php:0 2 1.5901 40812112 redirect_post( ) …\post. php:201 3 1.5911 40812184 wp_redirect( ) …\post.php:1870 4 1.5911 40812296 header()…\ pluggable.php:1216 Viewing 2 replies - 1 through 2 (of 2 total) * [Steven](https://wordpress.org/support/users/shazahm1hotmailcom/) * (@shazahm1hotmailcom) * [8 years, 1 month ago](https://wordpress.org/support/topic/error-on-save-update-post/#post-10007604) * [@darktorr](https://wordpress.org/support/users/darktorr/) * Can you please open a support issue in our support forum? Thanks! * [https://connections-pro.com/support/forum/general-support/](https://connections-pro.com/support/forum/general-support/#new-post) * [Steven](https://wordpress.org/support/users/shazahm1hotmailcom/) * (@shazahm1hotmailcom) * [7 years, 11 months ago](https://wordpress.org/support/topic/error-on-save-update-post/#post-10260116) * I suspect this issue will no longer arise due to changes made in the furthcoming update. Marking resolved 🙂 Viewing 2 replies - 1 through 2 (of 2 total) The topic ‘Error On Save / Update Post’ is closed to new replies. * ![](https://ps.w.org/easy-table-of-contents/assets/icon-256x256.png?rev=3045459) * [Easy Table of Contents](https://wordpress.org/plugins/easy-table-of-contents/) * [Frequently Asked Questions](https://wordpress.org/plugins/easy-table-of-contents/#faq) * [Support Threads](https://wordpress.org/support/plugin/easy-table-of-contents/) * [Active Topics](https://wordpress.org/support/plugin/easy-table-of-contents/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/easy-table-of-contents/unresolved/) * [Reviews](https://wordpress.org/support/plugin/easy-table-of-contents/reviews/) * 2 replies * 2 participants * Last reply from: [Steven](https://wordpress.org/support/users/shazahm1hotmailcom/) * Last activity: [7 years, 11 months ago](https://wordpress.org/support/topic/error-on-save-update-post/#post-10260116) * Status: resolved