jQuery error (tinyMCE is not defined) on Wordpress admin panel

Question

After upgrading Wordpress from 3.2 to 3.5 i am getting jQuery error on admin side. below is the error.

Error: ReferenceError: tinyMCE is not defined
Source File: http://domainname.com/wp-includes/js/tinymce/langs/wp-langs-en.js?ver=345-20111127

Can any one please help me here . Thanks

Answer 1

It's better to use a declaration:

define('CONCATENATE_SCRIPTS', false); 

in wp-config.php.