Please Help me.it is urgent : Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /h

i found this error on my client site main page "Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /home/content/10/10872410/html/wp-blog-header.php on line 23"

Here is the WP-Blog-Header.php code
<?php
/**
* Loads the WordPress environment and template.
*
* @package WordPress
*/
if ( !isset($wp_did_header) ) {
$wp_did_header = true;
require_once( dirname(__FILE__) . '/wp-load.php' );
wp();
require_once( ABSPATH . WPINC…
Please Help me.it is urgent : Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /h

See original post by Tony Toreto