Fatal error: Uncaught Error: Call to undefined function twentysixteen_excerpt()
in /home/kodaira-tourism/www/wp-content/themes/kodaira/template-parts/content.php on line 20

コールスタック:

1. require()
   wp-includes/template.php:772
2. load_template()
   wp-includes/template.php:716
3. locate_template()
   wp-includes/general-template.php:204
4. get_template_part()
   wp-content/themes/kodaira/archive.php:42
5. include()
   wp-includes/template-loader.php:106
6. require_once()
   wp-blog-header.php:19
7. require()
   index.php:17