Потолок в прихожую

Fatal error: Uncaught Error: Call to undefined function get_field() in /home/servint1/bel-potolok.by/wp-content/themes/in/template-parts/content-post.php:23 Stack trace: #0 /home/servint1/bel-potolok.by/wp-includes/template.php(724): require() #1 /home/servint1/bel-potolok.by/wp-includes/template.php(671): load_template('/home/servint1/...', false) #2 /home/servint1/bel-potolok.by/wp-includes/general-template.php(168): locate_template(Array, true, false) #3 /home/servint1/bel-potolok.by/wp-content/themes/in/category.php(70): get_template_part('template-parts/...', 'post') #4 /home/servint1/bel-potolok.by/wp-includes/template-loader.php(78): include('/home/servint1/...') #5 /home/servint1/bel-potolok.by/wp-blog-header.php(19): require_once('/home/servint1/...') #6 /home/servint1/bel-potolok.by/index.php(17): require('/home/servint1/...') #7 {main} thrown in /home/servint1/bel-potolok.by/wp-content/themes/in/template-parts/content-post.php on line 23