Uncaught Error: Call to undefined function twentysixteen_excerpt()
in /home/xs805505/dultonhome-sagamihara-south.com/public_html/cms/wp-content/themes/dultonhome/template-parts/content-single.php on line 16

Call stack:

1. require()
   wp-includes/template.php:812
2. load_template('/home/xs805505/dulto...s/content-single.php', false, array)
   wp-includes/template.php:745
3. locate_template(array, true, false, array)
   wp-includes/general-template.php:206
4. get_template_part('template-parts/content', 'single')
   wp-content/themes/dultonhome/single.php:19
5. include('/home/xs805505/dulto...ultonhome/single.php')
   wp-includes/template-loader.php:106
6. require_once('/home/xs805505/dulto.../template-loader.php')
   wp-blog-header.php:19
7. require('/home/xs805505/dulto...s/wp-blog-header.php')
   /home/xs805505/dultonhome-sagamihara-south.com/public_html/index.php:17