I have a business data item list and two related item list on a page. Whenever the page is loaded I get an error could not connect to &lt;instance name&gt;. see error log for details. But once I select an item from the data item list both the related item list populates with the data. The only time i see those error are when the page get loaded. When I had a look at my log files I see the following error. Can any body help me how to resolve?<br/><br/><br/>07/01/2009 10:39:46.59  w3wp.exe (0x10D0)                        0x1C58 SharePoint Portal Server       Business Data                  8u7q Exception  System.NullReferenceException: Object reference not set to an instance of an object.     at Microsoft.SharePoint.Portal.WebControls.BusinessDataWebPart.GetConnectionItemsNeededMessage()     at Microsoft.SharePoint.Portal.WebControls.BusinessDataAssociationWebPart.get_ReasonForDisablingDataSource()     at Microsoft.SharePoint.Portal.WebControls.BusinessDataListWebPart.OnPreRender(EventArgs e) © 2009 Microsoft Corporation. All rights reserved.Wed, 01 Jul 2009 16:06:15 Zbf47fa9d-26ef-4805-b5f9-94ca665d6fb2http://social.msdn.microsoft.com/Forums/en-US/sharepointbdc/thread/bf47fa9d-26ef-4805-b5f9-94ca665d6fb2#bf47fa9d-26ef-4805-b5f9-94ca665d6fb2http://social.msdn.microsoft.com/Forums/en-US/sharepointbdc/thread/bf47fa9d-26ef-4805-b5f9-94ca665d6fb2#bf47fa9d-26ef-4805-b5f9-94ca665d6fb2skishttp://social.msdn.microsoft.com/Profile/en-US/?user=skisI have a business data item list and two related item list on a page. Whenever the page is loaded I get an error could not connect to &lt;instance name&gt;. see error log for details. But once I select an item from the data item list both the related item list populates with the data. The only time i see those error are when the page get loaded. When I had a look at my log files I see the following error. Can any body help me how to resolve?<br/><br/><br/>07/01/2009 10:39:46.59  w3wp.exe (0x10D0)                        0x1C58 SharePoint Portal Server       Business Data                  8u7q Exception  System.NullReferenceException: Object reference not set to an instance of an object.     at Microsoft.SharePoint.Portal.WebControls.BusinessDataWebPart.GetConnectionItemsNeededMessage()     at Microsoft.SharePoint.Portal.WebControls.BusinessDataAssociationWebPart.get_ReasonForDisablingDataSource()     at Microsoft.SharePoint.Portal.WebControls.BusinessDataListWebPart.OnPreRender(EventArgs e) Wed, 01 Jul 2009 16:06:15 Z2009-07-01T16:06:15Z