Hello, I am developing a paypal form that submits an encrypted form/button signed by my private key and the paypal public key. It has all been working fine for a long time until approx. the beginning of April when I now receive a 500 error when submitting to the paypal sandbox. I have tried creating new sandbox business accounts; changing the encryption and the values that the form sends – but I still keep getting the error. Is this related to the recent changes on the 29th March ? It is quite hard to debug as I cannot see any obvious errors or changes on my app or server – and I obviously can’t see the weblogs from the papal side to see what the issue may be. Please let me know if there are any issues with the sandbox site and encrypted buttons. Kind regards Josh
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