My BSP aplication is not working when i integrated with EP

hai everybody,

i need some help, which related to EP integration.we developed two different applications (catalog and orderTracking) when customer logs in, he can browse thru catalog and as well as tracking with same session until he selects change customer option.this is working fine.even we tested using URL's too. But the same application when we integrated with EP, its giving lot of problems and for each page change one ICM request is generation in my sm04 transaction...

what could be the problem..?

if someone have idea plz reply to this post.

thanks in advance.

leoiz