Fatal error: Uncaught Error: Call to undefined function custom_search() in /home/leadsv1/piano-doctor.co.jp/public_html/wp-content/themes/piano-doctor/search.php:13 Stack trace: #0 /home/leadsv1/piano-doctor.co.jp/public_html/wp-includes/template-loader.php(106): include() #1 /home/leadsv1/piano-doctor.co.jp/public_html/wp-blog-header.php(19): require_once('/home/leadsv1/p...') #2 /home/leadsv1/piano-doctor.co.jp/public_html/index.php(17): require('/home/leadsv1/p...') #3 {main} thrown in /home/leadsv1/piano-doctor.co.jp/public_html/wp-content/themes/piano-doctor/search.php on line 13