Hi, My first message here. Basically a buyer made a dispute that someone hacked into their account. We've refunded the buyer and the dispute was closed in the buyer's favour. Then our website we got a status Received Paypal IPN with 'Canceled_Reversal' order status. So the order status on our website became "payment received", and the order became a fulfillable order, that we almost sent out. This isn't the first time it happened. Can you please tell me what's wrong? How can you guarantee that this won't happen again? Thanks Isaac
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