New Post: The "GenerateAssemblyNamesItemGroup" task failed unexpectedly - Could not load file or assembly

Hi I am getting below error while trying to deploy my biztalk 2013 project using BTDF

C:\Program Files (x86)\MSBuild\DeploymentFrameworkForBizTalk\5.0\BizTalkDeploymentFramework.targets(1514,5): error MSB4018: The "GenerateAssemblyNamesItemGroup" task failed unexpectedly. [E:\DATA\Srini\New_Samples\BTDF_MultiProject\BTDF_MultiProject.Deployment\Deployment.btdfproj]
C:\Program Files (x86)\MSBuild\DeploymentFrameworkForBizTalk\5.0\BizTalkDeploymentFramework.targets(1514,5): error MSB4018: System.IO.FileNotFoundException: Could not load file or assembly 'BTDF_MultiProject.Pipelines.dll' or one of its dependencies. The system cannot find the path specified. [E:\DATA\Srini\New_Samples\BTDF_MultiProject\BTDF_MultiProject.Deployment\Deployment.btdfproj]
C:\Program Files (x86)\MSBuild\DeploymentFrameworkForBizTalk\5.0\BizTalkDeploymentFramework.targets(1514,5): error MSB4018: File name: 'BTDF_MultiProject.Pipelines.dll' ---> System.IO.DirectoryNotFoundException: The system cannot find the path specified. (Exception from HRESULT: 0x80070003) [E:\DATA\Srini\New_Samples\BTDF_MultiProject\BTDF_MultiProject.Deployment\Deployment.btdfproj]
C:\Program Files (x86)\MSBuild\DeploymentFrameworkForBizTalk\5.0\BizTalkDeploymentFramework.targets(1514,5): error MSB4018: at System.Reflection.AssemblyName.nGetFileInformation(String s) [E:\DATA\Srini\New_Samples\BTDF_MultiProject\BTDF_MultiProject.Deployment\Deployment.btdfproj]
C:\Program Files (x86)\MSBuild\DeploymentFrameworkForBizTalk\5.0\BizTalkDeploymentFramework.targets(1514,5): error MSB4018: at System.Reflection.AssemblyName.GetAssemblyName(String assemblyFile) [E:\DATA\Srini\New_Samples\BTDF_MultiProject\BTDF_MultiProject.Deployment\Deployment.btdfproj]
C:\Program Files (x86)\MSBuild\DeploymentFrameworkForBizTalk\5.0\BizTalkDeploymentFramework.targets(1514,5): error MSB4018: at DeploymentFramework.BuildTasks.GenerateAssemblyNamesItemGroup.Execute() [E:\DATA\Srini\New_Samples\BTDF_MultiProject\BTDF_MultiProject.Deployment\Deployment.btdfproj]
C:\Program Files (x86)\MSBuild\DeploymentFrameworkForBizTalk\5.0\BizTalkDeploymentFramework.targets(1514,5): error MSB4018: at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute() [E:\DATA\Srini\New_Samples\BTDF_MultiProject\BTDF_MultiProject.Deployment\Deployment.btdfproj]
C:\Program Files (x86)\MSBuild\DeploymentFrameworkForBizTalk\5.0\BizTalkDeploymentFramework.targets(1514,5): error MSB4018: at Microsoft.Build.BackEnd.TaskBuilder.<ExecuteInstantiatedTask>d__26.MoveNext() [E:\DATA\Srini\New_Samples\BTDF_MultiProject\BTDF_MultiProject.Deployment\Deployment.btdfproj]
C:\Program Files (x86)\MSBuild\DeploymentFrameworkForBizTalk\5.0\BizTalkDeploymentFramework.targets(1514,5): error MSB4018: [E:\DATA\Srini\New_Samples\BTDF_MultiProject\BTDF_MultiProject.Deployment\Deployment.btdfproj]
C:\Program Files (x86)\MSBuild\DeploymentFrameworkForBizTalk\5.0\BizTalkDeploymentFramework.targets(1514,5): error MSB4018: [E:\DATA\Srini\New_Samples\BTDF_MultiProject\BTDF_MultiProject.Deployment\Deployment.btdfproj

When i check the pipelines dll it is already present in the path where it is supposed to be but still I am getting above error. Am i missing something?

Regards,
Uday