title: Magento API V2 Sales Orders List Not Working
body: <p>I am using the API V2 "<code>salesOrderList</code>" for receiving a list of all the Orders which have been placed in Magento. But the SOAP Response is showing me an error as:-</p>
  
  <pre><code>Item (Mage_Sales_Model_Order) with the same id "1" already exist
  </code></pre>
  
  <p>I am using the Magento Enterprise version 1.9.0.0.</p>
  
  <p>After looking into the SQL &amp; searching the database, I found that for each Order, the SQL is providing 4 records for the same Order Entity ID; with the difference being only in the name fields of the billing &amp; shipping area. Also the query is doing two Left Joins with the same database table "<code>sales_flat_order_address</code>" by using two different aliases (one for billing &amp; another for shipping). From my understanding, this should have worked, which is not happening.</p>
  
  <p>Can anyone please suggest as to what is happening &amp; what can be done to recover from this error?</p>
  
  <p>Any help is appreciated and thanks in advance. </p>