Fatal error: Uncaught Error: Call to undefined function get_header() in /home/mhd-01/www.calabriaviva.it/htdocs/wp-content/themes/overview/index.php:15
Stack trace:
#0 {main}
thrown in /home/mhd-01/www.calabriaviva.it/htdocs/wp-content/themes/overview/index.php on line 15