honzamensa

Further update, I have added some extra logging and revealed that the Soledad theme is trying to pull the authors list by calling coauthors__echo(“ID”, “field”…) then at line 1707 it is extracting the name by calling get_the_author_meta:

$name = get_the_author_meta( 'display_name', $author_id );

I have tries to change it to use get_the_coauthor_meta instead, which seems to have worked:

$name_meta = get_the_coauthor_meta( 'display_name', $author_id );
$name = $name_meta[$author_id] ?? "";

No new plugins but several got updated and I am not sure when it broke. After enabling debug logging, this appeared once:

[24-Sep-2023 08:27:52 UTC] PHP Notice: Undefined variable: author_ids in /data/web/virtuals/179321/virtual/www/subdom/magazin/wp-content/themes/soledad/inc/template-function.php on line 1700
[24-Sep-2023 08:27:52 UTC] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /data/web/virtuals/179321/virtual/www/subdom/magazin/wp-content/themes/soledad/inc/template-function.php on line 1700
[24-Sep-2023 08:27:52 UTC] PHP Notice: Undefined variable: author_ids in /data/web/virtuals/179321/virtual/www/subdom/magazin/wp-content/themes/soledad/inc/template-function.php on line 1701
[24-Sep-2023 08:27:52 UTC] PHP Warning: Invalid argument supplied for foreach() in /data/web/virtuals/179321/virtual/www/subdom/magazin/wp-content/themes/soledad/inc/template-function.php on line 1701

But it’s not appearing any more, regardless of which article or page I open…

Disabling other plug-ins does not fix it.

The issue persists even with version 3.5.15.

Any help would be appreciated. Thanks!

Issue resolved: the forms were cached by the WP Fastest Cache plugin. After deleting the current cache captcha started appearing.