In your project it is a bit more complicated because of Categories names (Metal categories collection).
You are running in the problem similar too one that I explained above
Here is what your filtering buttons will look for:
And here is what automatically script will create from that category names:
For example, Category
14 karat rødguld will become class
.14, it is how script working
For fixing this problem add one more field in the Metal category collection as I explained in the other comment, then use that field data for binding to the
.categ text field.
Next step - adding same hidden field inside the Filtering menu, next to the buttons.
After binding add combo-class
.hidden to the
Change script in one place:
a property change it to the
Should work after that.