AdSense-Deluxe .. error

when i try to add a adsence code it give me this
[code]atal Error
Could Not Find Blog!
Searched for mychatoo.com/wp-inst/ in mazzzika_mu::wp_blogs table. Is that right?
Please check that your database contains the following tables:

* wp_blogs
* wp_users
* wp_usermeta
* wp_site
* wp_sitemeta
* wp_sitecategories
[/code]

n.b i am using wordpress mu