Sanbox paypal link not working. When click on buy now button it will showing blank white screen only. Before it working fine. I also tested on other website it doesn't worked for me. kindly reply or let me know how to fix.
<form action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="post"><input name="cmd" type="hidden" value="_xclick">
<input name="business" type="hidden" value="example@gmail.com">
<input name="item_name" type="hidden" value="1">
<input name="item_number" type="hidden" value="1">
<input name="amount" type="hidden" value="1">
<input type="submit" value="Buy now">
<input name="return" type="hidden" value="http://example.com/success-thank-you/"></form></div>