paypal sandbox unable to process request
I've been working and testing the sandbox system paypal uses. It have been confusing, I've created some testing accounts. At the moment I've created a form from my site. A "Buy now" button. It's works as it should: <form id="checkout" target="paypal" action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="post"> <input type="hidden" value="myemail@myaddres.com" name="business"> <input type="hidden" value="Order" name="item_name"> <input type="hidden" value="1000" name="amount"> <input type="hidden" value="50" name="tax"> <input type="hidden" value="SEK" name="currency_code"> <input type