Fatal error: Uncaught Error: Call to undefined function get_field() in /var/www/wp-content/themes/listable-child-master/header.php:28
Stack trace:
#0 /var/www/wp-includes/template.php(810): require_once()
#1 /var/www/wp-includes/template.php(745): load_template('/var/www/wp-con...', true, Array)
#2 /var/www/wp-includes/general-template.php(48): locate_template(Array, true, true, Array)
#3 /var/www/wp-content/themes/listable-child-master/archive-affiliates.php(14): get_header()
#4 /var/www/wp-includes/template-loader.php(106): include('/var/www/wp-con...')
#5 /var/www/wp-blog-header.php(19): require_once('/var/www/wp-inc...')
#6 /var/www/index.php(17): require('/var/www/wp-blo...')
#7 {main}
thrown in /var/www/wp-content/themes/listable-child-master/header.php on line 28