Fatal error: Uncaught Error: Call to undefined function get_header() in /customers/8/4/c/merget-fotografie.de/httpd.www/wordpress/wp-content/themes/merget-fotografie/index.php:4
Stack trace:
#0 {main}
  thrown in /customers/8/4/c/merget-fotografie.de/httpd.www/wordpress/wp-content/themes/merget-fotografie/index.php on line 4