Paypal already installed on my OScommerce but when ever I press the confirm checkout into paypal's site I got this
This transaction is invalid. Please return to the recipient's website to complete your transaction using their regular checkout flow.
Error message from paypal, might be the setup problem.
my website [login to view URL]
Just need the paypment method paypal to work.
Project ID: 377681
About the project
2 proposals
Remote project
Active 15 yrs ago
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