Just after we installed your module, we have received a message on top page:
We're sorry, an error has occurred while generating this email
In this case, could you please update the currency rate?
Please refer the screenshot below for reference.
For more information about product, please refer Checkout with Display Currency for Magento 2 page.
If you need any further assistance, please feel free to contact us.
Please visit our site for more useful Magento 2 Extensions: https://bsscommerce.com/magento-2-extensions.html