error(0).messageInvalid request:0
<p>Please help me,i have send request <strong>paypal</strong> adaptive</p>

<blockquote>
  <p><a href="https://svcs.sandbox.paypal.com/AdaptivePayments/Pay?actionType=PAY&amp;" rel="nofollow">https://svcs.sandbox.paypal.com/AdaptivePayments/Pay?actionType=PAY&amp;</a>
  currencyCode=USD&amp;receiverList.receiver(0).amount=45&amp;receiverList.receiver(1).amount=9&amp;receiverList.receiver(0).email=bhavesh%40harmistechnology.com&amp;receiverList.receiver(1).email=madis%40edithouse.co.uk&amp;receiverList.receiver(0).primary=false&amp;receiverList.receiver(1).primary=true&amp;receiverList.receiver(0).invoiceId=51a30c9d5a6fb&amp;receiverList.receiver(1).invoiceId=51a30c9d5a6fb&amp;feesPayer=PRIMARYRECEIVER&amp;memo=Test&amp;senderEmail=akash%40harmistechnology.com&amp;trackingId=YMNiHs4ta
  requestEnvelope.errorLanguage=en_US&amp;requestEnvelope.detailLevel=ReturnAll&amp;actionType=PAY&amp;
  currencyCode=USD&amp;receiverList.receiver(0).amount=45&amp;receiverList.receiver(1).amount=9&amp;receiverList.receiver(0).email=bhavesh%40harmistechnology.com&amp;receiverList.receiver(1).email=madis%40edithouse.co.uk&amp;receiverList.receiver(0).primary=false&amp;receiverList.receiver(1).primary=true&amp;receiverList.receiver(0).invoiceId=51a30c9d5a6fb&amp;receiverList.receiver(1).invoiceId=51a30c9d5a6fb&amp;feesPayer=PRIMARYRECEIVER&amp;memo=Test&amp;senderEmail=akash%40harmistechnology.com&amp;trackingId=YMNiHs4ta</p>
</blockquote>

<p>But the response are </p>

<pre><code>Array
(
    [responseEnvelope.timestamp] =&gt; 2013-05-27T00:34:50.525-07:00
    [responseEnvelope.ack] =&gt; Failure
    [responseEnvelope.correlationId] =&gt; 2e4a3f86d6cc0
    [responseEnvelope.build] =&gt; 5867333
    [error(0).errorId] =&gt; 580001
    [error(0).domain] =&gt; PLATFORM
    [error(0).subdomain] =&gt; Application
    [error(0).severity] =&gt; Error
    [error(0).category] =&gt; Application
    [error(0).message] =&gt; Invalid request: {0}
)
</code></pre>

<blockquote>
  <p>responseEnvelope.ack is failure</p>
</blockquote>

<p>how to get responseEnvelope.ack is success .</p>

<p>please help me,i m lost of try but fail every time.</p>
