PayPal rest server errors

[AndyB]

Affected version

2.3.0 Beta 2

I got the following server error logs:





Stack trace:

#0 src/XF/Payment/PayPalRest.php(408): XF::handlePhpError(2, '[E_WARNING] Att...', '***', 408)
#1 src/XF/Payment/PayPalRest.php(369): XF\Payment\PayPalRest->verifyWebhookSignature(Object(XF\Payment\CallbackState))
#2 payment_callback.php(36): XF\Payment\PayPalRest->validateCallback(Object(XF\Payment\CallbackState))
#3 {main}