Vera Theme Attribute Filter dropdown widget


I have a Ecommerce with Vera theme and Woocommerce plugin running.

I have added a attribute filter dropdown widget, in my case is set for size of the product.

I have also filter widgets for price and categories.

Once I select any filter like price between 20 - 30 f.e. changing the option in the size filter no longer works.

The site:


Contact with your purchase item author hope they will helped!