Category Content is displayed differently from newly Categories

-- url of the page with the problem -- : www.waffenmarti.ch
-- HikaShop version -- : 5.1.3
-- Joomla version -- : 5.2.3
-- PHP version -- : 8.2.22
-- Browser(s) name and version -- : Chrome 132.0.6834.110

I have a problem with new Categories that is strange. If I create a new Category, the products in it is not displayed the same way as in existing Categories.

If you check for example this Category:
www.waffenmarti.ch/mainmenu-gross-pistolen/glock.html
as you can see, every single product is surrounded by a red frame.

But if you check a category, that is created now with the new Hika-Shop-Version 5.1.3, the red boarder around every product is missing:
www.waffenmarti.ch/mainmenu-gross-gewehr...ehre-fn-herstal.html

I copied a product from a category, that is displayed correctly (from CMMG) to the false displayed category (FN Herstal under "Gewehre"). Then the product that is displayed in another Category (Gewehre CMMG) correctly, is displayed in the new Category (Gewehre FN Herstal) wrong. So I assume it's not the product.

But I cannot see where the problem should be? Can you help me?

Ah i found an issue: If I create a Menü, then it works and the frame is displayed. If no Menü Point exists, then the frame is not displayed. It seems that creating a menü point as impact of how category is displayed.

Never mind and sorry for creating a point. I cannot tell if is was not like this in the old versions. I'm not sure.