Inserting code in 'post' shortcode

Hi there

I have the weird problem that when I insert the ‘posts’ shortcode it adds the following:

[row][column size=”1/4″][menu name=”2 Tickets Mauritius”][/column] [column size=”3/4″]

It doesn’t show in the shortcode but on the site.

http://wordpress.org/plugins/shortcodes-ultimate/