Fatal error: Uncaught Error: Call to undefined function Roots\Sage\Extras\get_field() in /home/customer/www/tribelt.nl/public_html/wp-content/themes/tribelt/lib/extras.php:20 Stack trace: #0 /home/customer/www/tribelt.nl/public_html/wp-includes/class-wp-hook.php(305): Roots\Sage\Extras\body_class(Array) #1 /home/customer/www/tribelt.nl/public_html/wp-includes/plugin.php(189): WP_Hook->apply_filters(Array, Array) #2 /home/customer/www/tribelt.nl/public_html/wp-includes/post-template.php(836): apply_filters('body_class', Array, Array) #3 /home/customer/www/tribelt.nl/public_html/wp-includes/post-template.php(595): get_body_class(Array) #4 /home/customer/www/tribelt.nl/public_html/wp-content/themes/tribelt/base.php(9): body_class('has-sticky-head...') #5 /home/customer/www/tribelt.nl/public_html/wp-includes/template-loader.php(106): include('/home/customer/...') #6 /home/customer/www/tribelt.nl/public_html/wp-blog-header.php(19): require_once('/home/customer/...') #7 /home/customer/www/tribelt.nl/public_html/index.php(17): r in /home/customer/www/tribelt.nl/public_html/wp-content/themes/tribelt/lib/extras.php on line 20