updated wordpress and warning comes up

[thirst4beats]

I havent done anything but update word press and this strange warning appears only on the back of house of wordpress

ng: Cannot modify header information - headers already sent by (output started at /home/thirst4beats/public_html/wp-content/plugins/wpheadsp/wpheadsp.php:1) in /home/thirst4beats/public_html/wp-admin/includes/misc.php on line 1114

[thirst4beats]

how it looks

[thirst4beats]

and when go to post

[knutsp]

Hello @thirst4beats and welcome to Trac.

This Track is for tracking and fixing bugs in the WordPress software. It's not for support or fixing individual sites in trouble. Please use our support forums ​https://wordpress.org/support/ for that.

You may find some useful tips in this article ​https://codex.wordpress.org/FAQ_Troubleshooting#How_do_I_solve_the_Headers_already_sent_warning_problem.3F.

[thirst4beats]

has to be the update can't be anything else, but when try to make a post like I did with the testing other php warnings come up same when delete then when deleted goes back to the one warning

[thirst4beats]

Just seems strange that havent done anything but update the wordpress and when try to make a post or delete addition php warnings come up, disabled all plugins and nothing changed but when deleted the testing post it goes back to the one warning

Replying to knutsp:

Hello @thirst4beats and welcome to Trac.

This Track is for tracking and fixing bugs in the WordPress software. It's not for support or fixing individual sites in trouble. Please use our support forums ​https://wordpress.org/support/ for that.

You may find some useful tips in this article ​https://codex.wordpress.org/FAQ_Troubleshooting#How_do_I_solve_the_Headers_already_sent_warning_problem.3F.

[dd32]

Hi @thirst4beats,

This is indeed a plugin issue, and not core's, and is unrelated to the update you performed, It's likely that the plugin was updated at the same time as you did the core update, which would explain why it only appeared at that time.

The plugin in question as shown in the error is this one:

/home/thirst4beats/public_html/wp-content/plugins/wpheadsp/wpheadsp.php

As it's starting output at line 1, it's most likely an empty line before <?php or another invisible character before it. I'd suggest removing the first line of the file and re-writing it.
I can't find any plugins by that name, so I'm not sure what it is - but if it doesn't disable through the plugins page, you can rename the folder to check it's cause.

[thirst4beats]

ok bit over my head will try and sort it thanks heaps for the explanation

greetz

Jo