Reported for: WooCommerce Multilingual & Multicurrency 5.1.3
Overview of the issue
If you are using WooCommerce PayPal Payments plugin in combination with WooCommerce Multilingual and a unsupported currency (for instance, AED), you may encounter an error message similar to the following when attempting to process an order checkout:
CURRENCY_NOT_SUPPORTED Currency code is not currently supported. Please refer https://developer.paypal.com/docs/integration/direct/rest/currency-codes/ for list of supported currency codes.
Unfortunately, we don’t have a workaround for this issue currently. However, our development team is investigating this problem to find a solution.