Adaptive Payments Fix Error

Avg Bid (USD)
Project Budget (USD)
$10 - $30

Project Description:
I need help with Paypal adaptive payments. I have installed on my marketplace, but i can not run it. When i test the system .... the same error every time "Unable to process due to payment error". Please to write only who has experience with PHP and Paypal Adaptive Payments. Thanks

Skills required:
MySQL, Paypal API, PHP, Software Architecture, Web Hosting
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