host asp.net website on local IIS

Question

I have a  simple web application which i hosted on my simple IIS , my application contains crystal reports and like that , when i host and browse the application it gives the below error 

"

Could not load file or assembly 'Microsoft.AI.Web' or one of its dependencies. The system cannot find the file specified.

"

For checking purposes i made another simple one pager asp.net application and host it to IIS it works fine , but my actual application gives the above error.