Quantity of products issue

[artonweb]

Hello everyone and happy new year.
I'm currently having a serious issue with the quantity of products in the cart.It is kind of hard to explain, but I'll say it as simply as possible. Whenever I add a single product to the cart, everything seems to be alright,not any problems. But, whenever I increase the quantity of it, and browse to an other menu item , the quantity hasn't changed, it's still one product. But , if I enter the cart again , it shows the quantity that I chose afterwards. I'll make it a bit more plain with an example. I shop one product. I go to the cart. I increase the quantity of it and make it 10. When I go to the starting page, it shows one product, the option I had before i changed the quantity. But, I go to the cart and it shows 10 products. It is a very weird bug, that happens mostly on the starting page. Any help would be appreciated.

I'll gladly explain this issue further if there are any questions to ask.

Joomla:3.9.1
Virtuemart:3.4.2
URL:https://autochaniotakis.gr/

[jenkinhill]

Cache?

[artonweb]

The problem still persists with cache disabled. There must be another reason for this issue.

[GJC Web Design]

When I go to the starting page, it shows one product, the option I had before i changed the quantity.

so in this case u mean the cart joomla MODULE shows 1? - not 10?

just tested on  a clean install  - all works correctly -- feel free to test  -- http://test.gjcwebdesign.com/joomla351/

Are u using the standard VM cart module?
If it is published on the cart page is the module updating?

[artonweb]

The problem isn't about the cart module.
Yes, I am using the standard VM cart module.
Although I have published the cart module  on all pages, the quantity changes whenever i press "show cart" (it shows the first quantity I chose , not the second one)

[artonweb]

Problem with cache