Edit File: wordpress-shims.php
<?php /** * WordPress shims. * * @package orun */ if ( ! function_exists( 'wp_body_open' ) ) { /** * Adds backwards compatibility for wp_body_open() introduced with WordPress 5.2 * * @since 2.5.4 * @see https://developer.wordpress.org/reference/functions/wp_body_open/ * @return void */ function wp_body_open() { do_action( 'wp_body_open' ); } }