Title: [Plugin: Link Library] Cannot modify header information errors with plugin version 4.26
Last modified: August 19, 2016

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# [Plugin: Link Library] Cannot modify header information errors with plugin version 4.26

 *  [christian-s](https://wordpress.org/support/users/christian-s/)
 * (@christian-s)
 * [15 years, 7 months ago](https://wordpress.org/support/topic/plugin-link-library-cannot-modify-header-information-errors-with-plugin-version-426/)
 * I’m getting various header errors, like
    `Warning: Cannot modify header information-
   headers already sent by (output started at .../public_html/wp-content/plugins/
   link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php
   on line 890`
 * and when I log off I get a page with
 *     ```
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-login.php on line 337
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-login.php on line 349
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 717
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 718
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 719
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 720
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 721
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 722
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 725
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 726
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 727
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 728
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 731
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 732
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 733
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 734
       Warning: Cannot modify header information - headers already sent by (output started at .../public_html/wp-content/plugins/link-library/link-library.php:1) in .../public_html/wp-includes/pluggable.php on line 890
       ```
   

The topic ‘[Plugin: Link Library] Cannot modify header information errors with plugin
version 4.26’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [christian-s](https://wordpress.org/support/users/christian-s/)
 * Last activity: [15 years, 7 months ago](https://wordpress.org/support/topic/plugin-link-library-cannot-modify-header-information-errors-with-plugin-version-426/)
 * Status: not resolved