Hi, are there any new aspects available for this topic? I've got the same problem when importing PLCopenXML files within Test Manager action. The files are imported successfully, but the following action "Applikation erzeugen" FAILED. The "Clear Backup" action says: "Failed Exception: "Der Testfall schlug aus folgendem Grund fehl: The object GUID '42720005-f330-4b49-a024-f30112c916b8' is not valid." (_3S.CoDeSys.TestManager.Execution.TestFailedException)\r\n+ "The object GUID '42720005-f330-4b49-a024-f30112c916b8'...