menu Master category of Top Horizontal Menu does not work in smartphones if it has subcategories

[Markyons]

Hi all

I have PS 1.6.0.5

In my  Top Horizontal Menu v2.1.1 - by PrestaShop, if I browse the site with a smartphone, any main category does not work.

It works only if it does not have any sub-category.

I mean: if the category does not have any sub-category, I tap the category name and prestashop shows all products belonging to the category name.  it works fine.

BUT

if the category shown in Top Horizontal Menu has some subcategory, tapping the master category the only consequence is to open the sub-menu showing the list of sub categories.

If i want to show products belonging to the master category, tapping the master category name, I get no result. Nothing at all. No browsing, no timeglass...NOTHING.

In desktop resolution the menu works perfectly, Clicking or tapping the master category Prestashop shows regularly all products belonging master category.

Is there some kind guy who can help me in this issue? Hundreds of products are not shown in smartphone resolution.