New Born Free Ali Naturale 3pcs (14+16+18) + 5.5" HD Parte profunda Cierre - Body Wave - ANP3D3

You included the snippet swatch.liquid with the name of a product option — '1st Color' — that does not belong to your product.

Use {% include 'swatch' with 'name of your product option here' %}

Example: {% include 'swatch' with 'Color' %}

This is case-sensitive! Do not put in 'color' if your product option name is 'Color'.