Hi guys, the problem in my case was the field "meta title" in the color combination form, you cant use spaces or special characters.
Once I change that it fix the issue.
Hola Gente, aquí un link donde se muestra como resolver el issue:
https://github.com/alejoasotelo/cart-prestashop/commit/74f3815921ab4df7834ab3f07724f7452152e244