Setting "DEFAULT_FAVICON" does not exist

Trace log:
Error #0 /core/assets/classes/View_HTML.php(57): core\assets\classes\Settings::get()
Error #1 /core/assets/classes/View_Vue.php(91): core\assets\classes\View_HTML->emitHead()
Error #2 /core/assets/classes/Controller.php(28): core\assets\classes\View_Vue->render()
Error #3 /plugins/p_blog/controllers/c_blog.php(16): core\assets\classes\Controller->__construct()
Error #4 /core/assets/classes/Router.php(46): plugins\p_blog\controllers\c_blog->__construct()
Error #5 /core/boot.php(23): core\assets\classes\Router::loadPage()
Error #6 /index.php(3): require_once('/home/sites/jes...')
Error #7 {main}