Good day @Tudsy,
Thank you for contacting PayPal community.
Our sincere apologies for the inconvenience caused.
Upon checking the reported error page screenshot, we could see that payment attempt failed due to generic error.
This is an issue with the customer/buyer funding source. Please request the customer/buyer to try using different/valid funding source while processing payments.
Unfortunately, we MTS are restricted to process LIVE payments.
I request to please process a test payment via card which is not linked to your PayPal account. Since, merchant can't process self payments.
Thank you so much for your patience and understanding.
Sincerely,
Chiranjeevi
PayPal/Braintree MTS
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