The project is to fix 2 this errors which arises when a customer tries to pay his order through paypal.
#1 The error is: Paypal IPN invalid process
This error is completely random as most customers are able to pay using Paypal without problems. When this error occurs, I receive and email with the transaction details and and the subject is 'Paypal IPN Invalid process'. With the feedback I received from my customers, It looks like they are not able to complete the payment when this error occurs.
#2 The error is: sometimes when a customer place an order and pay, the order status will not change from "Paypal IPN" to "processing" when the payment is completed.
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