How to capture multiple characteristics

Hi,

I your case I would do like that:

I would have a characteristic for the Division, like you have, and then I would have an option for the Shirt size :
www.hikashop.com/en/support/documentatio...ct-form.html#options
That way, the short size does not interfere with the variants of the product.

So you say that you still see the option added to your product on the backend, but not on the frontend ?

It could potentially be a database structure update issue.
Turn on the debug mode option of the configuration and see if you get an error on the product page after that.
If yes paste it here so that we can tell you what to do.
If not, then it's not a database issue and I don't see why the update would change anything and we would need a backend access to further assess the problem.

I don't see any bug on the page. We would need a backend access to further assess the problem.

It's because for some reason you have 0 instead of "empty" in the end date field of your option.
I've changed the line:
if($variant->product_sale_end!='' && $variant->product_sale_end<time()) continue;

to:
if($variant->product_sale_end!='' && $variant->product_sale_end!='0' && $variant->product_sale_end<time()) continue;

in the "option" view file so that both work properly.