title: Paypal shopping cart with multiple items are not working
body: <p>I am unable to implement paypal shopping cart, here is my sandbox URL with multiple items:</p>
  
  <pre><code>https://www.sandbox.paypal.com/cgi-bin/webscr?cmd=_cart&amp;business=salman-facilitator@mywebsitedomain.com&amp;lc=US&amp;item_name_1=Donation+for+1&amp;amount_1=81.41&amp;item_number_1=1&amp;quantity_1=1&amp;item_name_2=Donation+for+2&amp;amount_2=141.30&amp;item_number_2=2&amp;quantity_2=1&amp;txn_type=cart&amp;num_cart_items=2¤cy_code=USD&amp;first_name=&amp;email=&amp;no_note=0&amp;no_shipping=1&amp;rm=2&amp;return=http%3A%2F%2Fmywebsitedomain.com%2Fbeta%2Fdonation%2Fcart%2Fpaypal_success&amp;cancel_return=http%3A%2F%2Fmywebsitedomain.com%2Fbeta%2Fdonation%2Fcart%3Fcancel%3D1&amp;custom=_token=t00QTMrPNidVnWxkBSsTGQJ1FDnl8vsnW0z2FIOw¬ify_url=http%3A%2F%2Fmywebsitedomain.com%2Fbeta%2Fdonation%2Fipn&amp;_token=t00QTMrPNidVnWxkBSsTGQJ1FDnl8vsnW0z2FIOw
  </code></pre>
  
  <p>Paypal is giving this error: "We have detected a problem with this shopping cart. If the problem persists, please contact the merchant."</p>
  
  <p>URL seems to be fine but its not working and tried a lot but now I have no idea why this is happening? </p>