Fatal error: Uncaught Error: Call to undefined function twentynineteen_can_show_post_thumbnail() in /home/laluce/laluce-salon.jp/public_html/wp-content/themes/laluce2/template-parts/content/content-page.php:15 Stack trace: #0 /home/laluce/laluce-salon.jp/public_html/wp-includes/template.php(686): require() #1 /home/laluce/laluce-salon.jp/public_html/wp-includes/template.php(643): load_template('/home/laluce/la...', false) #2 /home/laluce/laluce-salon.jp/public_html/wp-includes/general-template.php(167): locate_template(Array, true, false) #3 /home/laluce/laluce-salon.jp/public_html/wp-content/themes/laluce2/page.php(24): get_template_part('template-parts/...', 'page') #4 /home/laluce/laluce-salon.jp/public_html/wp-includes/template-loader.php(74): include('/home/laluce/la...') #5 /home/laluce/laluce-salon.jp/public_html/wp-blog-header.php(19): require_once('/home/laluce/la...') #6 /home/laluce/laluce-salon.jp/public_html/index.php(17): require('/home/laluce/la...') #7 {main} thrown in /home/laluce/laluce-salon.jp/public_html/wp-content/themes/laluce2/template-parts/content/content-page.php on line 15