http://blogs.msdn.com/cliffgreen/archive/2009/03/27/reporting-services-migration-error-object-reference-not-set-to-an-instance-of-an-object.aspxIn working with a customer doing a migration from Reporting Services 2005 to 2008 an error appeared when in preview mode that didn’t appear in the previous version. The error was simply #Error in the report and the Error pane in Visual Studio showed Theen-USCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/cliffgreen/archive/2009/03/27/reporting-services-migration-error-object-reference-not-set-to-an-instance-of-an-object.aspx#9514090Fri, 27 Mar 2009 16:17:05 GMT91d46819-8472-40ad-a661-2c78acb4018c:9514090infoblog &raquo; Reporting Services Migration Error: Object reference not set to an instance of an object.<p>PingBack from <a rel="nofollow" target="_new" href="http://blog.a-foton.ru/index.php/2009/03/27/reporting-services-migration-error-object-reference-not-set-to-an-instance-of-an-object/">http://blog.a-foton.ru/index.php/2009/03/27/reporting-services-migration-error-object-reference-not-set-to-an-instance-of-an-object/</a></p>