Fatal error: Uncaught Error: Call to undefined function get_header() in /var/sites/g/greatnorthartshow.co.uk/public_html/wp-content/themes/Greatnorth/index.php:18
Stack trace:
#0 {main}
thrown in /var/sites/g/greatnorthartshow.co.uk/public_html/wp-content/themes/Greatnorth/index.php on line 18