Error while updating

I was trying to update to the latest version of WordPress and I got the following error. Since then, the site doesn’t open, it only displays this error. Kindly help with possible fixes for this issue.

Thanks

Fatal error: Cannot redeclare has_shortcode() (previously declared in /home/bootcamp/public_html/wp-includes/shortcodes.php:153) in /home/bootcamp/public_html/wp-content/themes/raiden_1_0_3/framework/functions/functions.php on line 66