Fatal error: Uncaught Error: Call to undefined function _deprecated_file() in /home/refref/public_html/wp-includes-20250406223650-20250409105509-20250410010338/customize/class-wp-customize-new-menu-section.php:11 Stack trace: #0 {main} thrown in /home/refref/public_html/wp-includes-20250406223650-20250409105509-20250410010338/customize/class-wp-customize-new-menu-section.php on line 11