Running Kirby in a subfolder

It seems that you are trying to run Kirby in a subfolder of your domain\

Please go to site/config/config.php and make sure to add the following rules:

      c::set('url', '\');

… and …

      c::set('subfolder', '\');

You might also need to adjust your .htaccess file if you are using mod_rewrite

      RewriteBase /\    

Read more about it in the Kirby Docs: