How to use av AdvancedImage.Net v1.1

I am trying to use Nav AdvancedImage.Net v1.1, but i am getting these errors"The automation variable has not been instantiated. You can instantiated by either creating it or assigning it". I downloaded it from the forum download and import it to my database, but i can get it work. I want tool that can allow me to be attaching many BLOB images in navision.

How can i solve the problem?