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@BrockleyJohn I checked the sandbox is Business Pro

I send you the link of my website where I'm trying, so if you want to try them directly. Anyway I'm using the PayPal app site

@BrockleyJohn Thanks so much!

@BrockleyJohn Is there anything I can send you to try to solve?

@Dan ColeI send the information here too, OSCommerce Merchant v2.3.4.1 PHP 5.6.3 When the payment method is selected, you are redirected to the page (see photo) Thanks

Okay i have opened new topic. Thanks

Hi, today I tried to configure paypal pro hosted solution with my paypal business pro account, but at the time of payment I am moved to a page containing "This transaction can not be processed. do you know how to solve?