PayPal swears on ssl, how to fix it?

Question

MODX

[2021-04-07 02:01:19] (ERROR @ /home/u212443042/domains/maisondentremets.com/public_html/core/components/minishop2/custom/payment/paypal.class.php : 84) [miniShop2] Payment error while request. Request: Array
(
    [METHOD] => SetExpressCheckout
    [PAYMENTREQUEST_0_CURRENCYCODE] => GBP
    [PAYMENTREQUEST_0_ITEMAMT] => 8
    [PAYMENTREQUEST_0_SHIPPINGAMT] => 0
    [PAYMENTREQUEST_0_AMT] => 8
    [RETURNURL] => https://maisondentremets.com/assets/components/minishop2/payment/paypal.php?action=success
    [CANCELURL] => https://maisondentremets.com/assets/components/minishop2/payment/paypal.php?action=cancel
    [PAYMENTREQUEST_0_INVNUM] => 27
    [L_PAYMENTREQUEST_0_NAME0] => Marscarpone Cheese Spread
    [L_PAYMENTREQUEST_0_AMT0] => 8
    [L_PAYMENTREQUEST_0_QTY0] => 1
)
, response: SSL certificate problem: unable to get local issuer certificate

Answer 1

Your certificate is outdated, this problem has not been fixed yet (already 2 years).
Here you download the new version of the certificate and replace the old version at this address:

/core/components/minishop2/custom/payment/lib/paypal/cacert.pem