mmended to be used for sensitive pages.
 *
 * Typical usage is as a {@see 'wp_robots'} callback:
 *
 *     add_filter( 'wp_robots', 'wp_robots_sensitive_page' );
 *
 * @since 5.7.0
 *
 * @param array $robots Associative array of robots directives.
 * @return array Filtered robots directives.
 */
function wp_robots_sensitive_page( array $robots ) {
	$robots['noindex']   = true;
	$robots['noarchive'] = true;
	return $robots;
}

/**
 * Adds `max-image-preview:large` to the robots meta tag.
 *
 * This directive tells web robots that large image previews are allowed to be
 * displayed, e.g. in search engines, unless the blog is marked as not being public.
 *
 * Typical usage is as a {@see 'wp_robots'} callback:
 *
 *     add_filter( 'wp_robots', 'wp_robots_max_image_preview_large' );
 *
 * @since 5.7.0
 *
 * @param array $robots Associative array of robots directives.
 * @return array Filtered robots directives.
 */
function wp_robots_max_image_preview_large( array $robots ) {
	if ( get_option( 'blog_public' ) ) {
		$robots['max-image-preview'] = 'large';
	}
	return $robots;
}
<br />
<b>Fatal error</b>:  require(): Failed opening required '/home/healths/public_html/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php' (include_path='.:') in <b>/home/healths/public_html/wp-settings.php</b> on line <b>269</b><br />
<br />
<b>Fatal error</b>:  Uncaught Error: Call to a member function set() on null in /home/healths/public_html/wp-includes/l10n.php:806
Stack trace:
#0 /home/healths/public_html/wp-includes/l10n.php(900): load_textdomain()
#1 /home/healths/public_html/wp-includes/class-wp-fatal-error-handler.php(47): load_default_textdomain()
#2 [internal function]: WP_Fatal_Error_Handler-&gt;handle()
#3 {main}
  thrown in <b>/home/healths/public_html/wp-includes/l10n.php</b> on line <b>806</b><br />