Product Price Configuration - List Fields

Make sure the configured product price list spec has the below fields configured with the mentioned data types.

Entity Field Spec Type Entity Field
product Allows you to select a list field that is having a List data type. Configure the products list field to this type.
productDefaultUOM Allows you to select a list field that is having a List data type. Configure the product's default unit of measurements list to this type.
productId Allows you to select a list field that is having a Text data type. Configure the product Id field.
uom Allows you to select a list field that is having a List data type. Configure the unit of measurements list to this type.