"Invalid access" when trying to like a post

Since it was working earlier, there may be some problem on your new server like file or folder permission. Please check http://codex.wordpress.org/Changing_File_Permissions

I can see one javascript issue. Please change the following in the js file present inside this plugin.

jQuery(".jlk").live to jQuery(".jlk").on

I am not sure if this is the correct place to discuss because of the content of the site. In such case can you please contact me directly on http://www.webtechideas.com/contact-us/ ?