Fatal error: Uncaught Error: Call to undefined function get_header() in /home/users/lukaszgawronski/public_html/lukaszgawronski.com/web/wp-content/themes/grille-child/index.php:18
Stack trace:
#0 {main}
thrown in /home/users/lukaszgawronski/public_html/lukaszgawronski.com/web/wp-content/themes/grille-child/index.php on line 18