TFS 2010 - BizTalk 2010 The "MapperCompiler" task failed unexpectedly

Hi there,

I am facing this issue when I try to Build using TFS2010 : any idea?

The "MapperCompiler" task failed unexpectedly.

C:\Program Files (x86)\MSBuild\Microsoft\BizTalk\BizTalkCommon.targets(115,9): error MSB4018: System.Runtime.InteropServices.COMException (0x80040154): Retrieving the COM class factory for component with CLSID {AA9DB8EC-0E8C-4188-B070-2C763386B9FB} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).

C:\Program Files (x86)\MSBuild\Microsoft\BizTalk\BizTalkCommon.targets(115,9): error MSB4018:    at Microsoft.VisualStudio.BizTalkProject.Compiler.MapCompiler.Compile(BizTalkBuildSnapshot buildSnapshot, IEnumerable`1 mapFilesToCompile, IEnumerable`1 schemaFiles, List`1& generatedCodeFiles, List`1& xsltFiles) [D:\Projets\Build\Source\GestionInterventions.ESB\GestionInterventions.ESB.btproj]

C:\Program Files (x86)\MSBuild\Microsoft\BizTalk\BizTalkCommon.targets(115,9): error MSB4018:    at Microsoft.VisualStudio.BizTalkProject.BuildTasks.MapperCompiler.Execute()

C:\Program Files (x86)\MSBuild\Microsoft\BizTalk\BizTalkCommon.targets(115,9): error MSB4018:    at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()

C:\Program Files (x86)\MSBuild\Microsoft\BizTalk\BizTalkCommon.targets(115,9): error MSB4018:    at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask(ITaskExecutionHost taskExecutionHost, TaskLoggingContext taskLoggingContext, TaskHost taskHost, ItemBucket bucket, TaskExecutionMode howToExecuteTask, Boolean& taskResult)