Fatal error: Uncaught Error: Call to undefined function wp_head() in /home/xs949382/seibu-tsunagu-pj.jp/public_html/wp/wp-content/themes/seibu_php20220626/index.php:6
Stack trace:
#0 {main}
thrown in /home/xs949382/seibu-tsunagu-pj.jp/public_html/wp/wp-content/themes/seibu_php20220626/index.php on line 6