BuddyPress.org

I am using the buddyPress BP Profile Search plugging to filter members in my website,I create a form to filter members by Categories,But I had an issue when i go to page number to in the result of searching,I tried to update and making some modification in the plugging itself but i still facing this problem .
the result of search at the first time it come with the right result and number of pages is correcte, but when we click on the second page or any other pages i lost the filter