[Support request] Error bug message under footer

[Carsten]

Hi there, I’m seeing this bug error, under my footer

Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/domain/public_html/wp-includes/functions.php on line 4552

debugging is disabled

Here is the code its referring to:

/**
 * Flush all output buffers for PHP 5.2.
 *
 * Make sure all output buffers are flushed before our singletons are destroyed.
 *
 * @since 2.2.0
 */
function wp_ob_end_flush_all() {
	$levels = ob_get_level();
	for ( $i = 0; $i < $levels; $i++ ) {
		ob_end_flush();
	}
}

site protection: buddydev

[Leo]

Hi there,

That’s a function coming from WordPress itself:
https://developer.wordpress.org/reference/functions/wp_ob_end_flush_all/

Do you get the error with all plugins disabled?

If so what happens if you switch to a twenty series default theme?

[Carsten]

Hi Leo, thanks for your help, I will look into this.

[Leo]

No problem 🙂

[Carsten]

Strange why this issue suddenly appears, without any new plugins has been installed.

With all plugins deactivated there is still something wrong. You are right, it is not a theme issue, the same with TwentyTwenty.

Notice: wp_enqueue_script was called incorrectly. Scripts and styles should not be registered or enqueued until the wp_enqueue_scripts, admin_enqueue_scripts, or login_enqueue_scripts hooks. Please see Debugging in WordPress for more information. (This message was added in version 3.3.0.) in /home/domain/public_html/wp-includes/functions.php

[Leo]

I would report this to WordPress support.

Maybe they’ve heard the issue and have a solution already.

[Author]

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