http://developers.de/blogs/damir_dobric/archive/2008/03/01/problem-with-starting-of-workflow-service.aspxWhile trying to implement some test I moved my WorkflowService (the Workflow hosted as Wcf service) from original project to some other one. After that I could have noticed following error: &quot; No contract found in the workflow &quot;. This error occursenCommunityServer 2008 SP1 (Build: 30619.63)http://developers.de/blogs/damir_dobric/archive/2008/03/01/problem-with-starting-of-workflow-service.aspx#1945Wed, 04 Jun 2008 12:44:23 GMT7e491611-45ad-4dae-a68f-c4cb64439510:1945Felipe Dutra Tine e SIlva<p>Hi,</p> <p>I had the same problem.</p> <p>To resolve this.</p> <p>You can open the .csproj with the notepad.</p> <p>And you must put the line :</p> <p>&lt;Import Project=&quot;$(MSBuildExtensionsPath)\Microsoft\Windows Workflow Foundation\v3.5\Workflow.Targets&quot; /&gt;</p> <p>after :</p> <p>&lt;Import Project=&quot;$(MSBuildBinPath)\Microsoft.CSharp.targets&quot; /&gt;</p> <div style="clear:both;"></div><img src="http://developers.de/aggbug.aspx?PostID=1945" width="1" height="1">