Currency exchange gives fatal error

use WPC Product Bundles for WooCommerce Versión 6.3.2 | WPClever
and when I view the package in the main currency of the store it works perfectly, but when I change the currency it gives me an error, I attach a screenshot and links.

STEP 1
https://tiendamandala.com.ar/producto/combo-hierbas-magicas-limpieza-energetica/
CURRENCY ARS

STEP 2
change to currency dollars or euro and gives error