Explanation :

- I'm selling photos
- I wanted to propose 60% on some of this photos, so
- I did create a new categorie called "Discount" and I linked the photos to this categorie
- I then change the master categorie for this photos so that master categorie is "Discount" categorie
- I then applied the 60% sale maker on this discount categorie ... and here is the bugg, some of the photo show on the page the special price but when we add to cart, the price displayed is the full price without 60% deduction ... I still don't find where this is coming from, even worst, I deleted completely the products and re-entered them with master categorie being the discount cat. but again, same bugg occurred.
It seems that the software kept track somewhere that master categorie was previously another one and even if he display the discount, he do not apply them when we buy the product ...
I hope this is clear enough, so strange that it is difficult to explain...
can someone help ?

thanks

Aka