Hi!
My WP is installed in a subdirectory, like www.domain.com/wp but is set up to run under www.domain.com
The ILLDY 404 page links to the subdirectory - when the “Home” button is clicked you land on the - you guessed it - 404 page because the “page” www.domain.com/wp does not exist …
The problem is line 29 of 404.php:
echo site_url();
should be
echo home_url();
cf.
https://codex.wordpress.org/Function_Reference/site_url
https://codex.wordpress.org/Function_Reference/home_url
For now, I solved this by placing a modified 404.php into the child theme folder.
Cheers,
Alex