Title: http2 writes in debug.log Last modified: September 1, 2016 --- # http2 writes in debug.log * [perfectpictures](https://wordpress.org/support/users/perfectpictures/) * (@perfectpictures) * [9 years, 9 months ago](https://wordpress.org/support/topic/http2-writes-in-debuglog/) * I have a lot of these errors in my debug.log: * [31-Aug-2016 23:08:34 UTC] PHP Warning: array_walk() expects parameter 1 to be array, null given in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp-content/ plugins/http2-server-push/http2-server-push.php on line 70 * [https://wordpress.org/plugins/http2-server-push/](https://wordpress.org/plugins/http2-server-push/) Viewing 1 replies (of 1 total) * Thread Starter [perfectpictures](https://wordpress.org/support/users/perfectpictures/) * (@perfectpictures) * [9 years, 8 months ago](https://wordpress.org/support/topic/http2-writes-in-debuglog/#post-8170283) * [11-Sep-2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 [11-Sep- 2016 14:39:58 UTC] PHP Warning: Cannot modify header information – headers already sent by (output started at /mnt/web018/a3/75/56880175/htdocs/WordPress_01/wp- includes/functions.php:3598) in /mnt/web018/a3/75/56880175/htdocs/WordPress_01/ wp-content/plugins/http2-server-push/http2-server-push.php on line 46 Viewing 1 replies (of 1 total) The topic ‘http2 writes in debug.log’ is closed to new replies. * ![](https://ps.w.org/http2-server-push/assets/icon-256x256.png?rev=1204349) * [HTTP/2 Server Push](https://wordpress.org/plugins/http2-server-push/) * [Frequently Asked Questions](https://wordpress.org/plugins/http2-server-push/#faq) * [Support Threads](https://wordpress.org/support/plugin/http2-server-push/) * [Active Topics](https://wordpress.org/support/plugin/http2-server-push/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/http2-server-push/unresolved/) * [Reviews](https://wordpress.org/support/plugin/http2-server-push/reviews/) ## Tags * [errors](https://wordpress.org/support/topic-tag/errors/) * [HTTP/2](https://wordpress.org/support/topic-tag/http2/) * 1 reply * 1 participant * Last reply from: [perfectpictures](https://wordpress.org/support/users/perfectpictures/) * Last activity: [9 years, 8 months ago](https://wordpress.org/support/topic/http2-writes-in-debuglog/#post-8170283) * Status: not resolved