Title: "Cannot modify headers" during export settings Last modified: September 1, 2016 --- # "Cannot modify headers" during export settings * [Norman Höhne](https://wordpress.org/support/users/reeve/) * (@reeve) * [9 years, 10 months ago](https://wordpress.org/support/topic/cannot-modify-headers-during-export-settings/) * Dear Forum users, * when I try to export the Yoast Seo settings i get the following PHP errors: * ``` Warning: Cannot modify header information - headers already sent by (output started at /thepath/wp-admin/includes/template.php:1953) in /thepath/wp-content/plugins/wordpress-seo/admin/class-export.php on line 253 Warning: Cannot modify header information - headers already sent by (output started at /thepath/wp-admin/includes/template.php:1953) in /thepath/wp-content/plugins/wordpress-seo/admin/class-export.php on line 254 Warning: Cannot modify header information - headers already sent by (output started at /thepath/wp-admin/includes/template.php:1953) in /thepath/wp-content/plugins/wordpress-seo/admin/class-export.php on line 255 Warning: Cannot modify header information - headers already sent by (output started at /thepath/wp-admin/includes/template.php:1953) in /thepath/wp-content/plugins/wordpress-seo/admin/class-export.php on line 256 PK �V�HbR�� settings.ini�WɎ�6��+}J��l^l�N� ��@I�D�D$5���%���REj��=���KK]_��ǟ·���iR�i�n/�291��������кnyIy���_���ͻ��cݖ��w�u&�0+c�~��٦*��j���g�����N��m��$�ik�MM�*���� �����" �$��Ԣ(�e����3�wD)&�:��Nƙ��r�ie-H�7g���f{���n�Y���4x���N&B%:|�0 r�IZS����E<��W��?���A�/T�o0NE���iu�}�7iN�G&�E�H}iB����[T)�t��h�g�g鳫���szu�<�.�3�����K��/���� M��K0�����J˾O�Xd��T�IZU�Σ�zr����& �2�n��*w�֜�(}šq��P@�,�R�;tB쇑�HYٳ(�-�]�i�Q4c�u�c٦5�U~֨Y;�j����,��r63ƺ�����P���;h3����5�m����\���ִ�W5��Z/w�)��������ЃJ�����0�K I������ P,�n��x}�LJ_� N\G���k}i�Մ�-��͇럝�z�a� �_2RעL�M����7{ǢU ���ex��E3�.kp�a��\%��&�N���(���{\��x���)��Gq����/���O!���Ԏ�FÊ�P5 -&�᣽��;���Х�3]�����${{��t�hyH���B�L��)�h�)�� �*��8���n��|�Yd∦���H�p.pY����?���l���_���m4�ns�ǃ���<��J�@�����‡����$<�#{��@�x&x+S,m�����l���C�����u��G�R��u�����D۬���m+Z�� �w\E�v��)=�X߂� <γh�#� ``` * Don’t know what to do. I downloaded a fresh version of the template.php from WordPress 4.5.3 but there is no difference betweeen the new file and mine – as expected. * Thanks in advance! Kind regards -reeve * [https://wordpress.org/plugins/wordpress-seo/](https://wordpress.org/plugins/wordpress-seo/) Viewing 1 replies (of 1 total) * Plugin Support [amboutwe](https://wordpress.org/support/users/amboutwe/) * (@amboutwe) * [9 years, 10 months ago](https://wordpress.org/support/topic/cannot-modify-headers-during-export-settings/#post-7557897) * Sometimes strange behavior may be caused by a plugin or theme conflict. If you are unfamiliar with checking for conflicts, we wrote a small guide that will walk you through the steps. You can find it here: [How To Check For Plugin Conflicts](https://kb.yoast.com/kb/how-to-check-for-plugin-conflicts/#utm_source=support&utm_medium=forum&utm_campaign=support-link) Viewing 1 replies (of 1 total) The topic ‘"Cannot modify headers" during export settings’ is closed to new replies. * ![](https://ps.w.org/wordpress-seo/assets/icon-256x256.gif?rev=3419908) * [Yoast SEO - Advanced SEO with real-time guidance and built-in AI](https://wordpress.org/plugins/wordpress-seo/) * [Frequently Asked Questions](https://wordpress.org/plugins/wordpress-seo/#faq) * [Support Threads](https://wordpress.org/support/plugin/wordpress-seo/) * [Active Topics](https://wordpress.org/support/plugin/wordpress-seo/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/wordpress-seo/unresolved/) * [Reviews](https://wordpress.org/support/plugin/wordpress-seo/reviews/) * 1 reply * 2 participants * Last reply from: [amboutwe](https://wordpress.org/support/users/amboutwe/) * Last activity: [9 years, 10 months ago](https://wordpress.org/support/topic/cannot-modify-headers-during-export-settings/#post-7557897) * Status: not resolved