Fatal error: Uncaught Error: Call to undefined function _deprecated_file() in /home/cofssspl/public_html/wp-includes/customize/class-wp-customize-new-menu-section.php:11
Stack trace:
#0 {main}
thrown in /home/cofssspl/public_html/wp-includes/customize/class-wp-customize-new-menu-section.php on line 11