This problem occurs when in your WooCommerce store you modify the fields that are required to proceed with the payment (Checkout). PagueloFacil in all its transactions stores the email, address, telephone, names and surnames of the user who makes the purchase, therefore, this data is required.
Problem: Invalid Field
Solution: Place email, address, phone, first and last names of the user as mandatory in the payment options of your store in Woocommerce.