PHP 8.5.9 Fatal errors and warnings in Fortuna theme

1. Found this PHP fatal error:
PHP Fatal error: Uncaught Error:
Call to undefined function get_header()
in /chroot/home/domain/website/html/wp-content/themes/fortuna/index.php on line 9

2. Also found this PHP warning:
PHP Warning: Undefined variable $item_array
in /chroot/home/domain/website/html/wp-content/themes/fortuna/includes/boc_framework.php on line 545

Both the fatal error and warning occurred multiple times in the logs.

3. There are also several other PHP fatal errors that were recorded.

Example 1:
PHP Fatal error: Uncaught Error:
Undefined constant “ABSPATH”
in /chroot/home/domain/website/html/wp-settings.php on line 34

Example 2:
PHP Fatal error: Uncaught Error:
Call to undefined function add_action()
in /chroot/home/domain/website/html/wp-includes/blocks/latest-posts.php on line 242

Additional similar errors were recorded for other WordPress core block files.

4. Also found a Fortuna theme warning:
PHP Warning: Undefined variable $item_array
in /chroot/home/domain/website/html/wp-content/themes/fortuna/includes/boc_framework.php on line 545

5. And a Fortuna theme fatal error:
PHP Fatal error: Uncaught Error:
Call to undefined function get_header()
in /chroot/home/domain/website/html/wp-content/themes/fortuna/index.php on line 9

These particular log entries also show requests directly targeting WordPress/theme PHP files, so the presence of the errors does not by itself confirm that the site’s normal homepage is failing.