What can happen with Open Cart pagination?

Question

opencart

www.proclimate5.ru/konditsionery/nastennye-kondits...
In a category, if you click on the second page, it goes there. But in pagination, the number one is active and not two, and you can’t go back. There are no JS errors. What could it be?

Answer 1

Because when you go to the 2nd page, you get something like this:
but then the part after the # disappears. Apparently because of this, something is in conflict. Perhaps the filter pro is configured incorrectly.

Answer 2

$(".pagination .links a").live("click", (function () {
var a = $(this).attr("href");
var b = a.match(/page=(\d+ )/);
$("#filterpro_page").val(b[1]);
doFilter(false);
$('html, body').animate({ scrollTop: $('.product-filter').offset ().top }, 'slow');
return false;
}));
In general, the error was here. I don't have an element with the product-filter class.