System.Speech.dll object not getting set to an instance of

Question

ASP.NET Web Application - on deploy, System.Speech.dll object not getting set to an instance of an object

We are getting error:

 

Object reference not set to an instance of an object.

System.Speech

at System.Speech.Internal.ObjectTokens.RegistryDataKey..ctor(String fullPath, RegistryDataKey copyKey)

at System.Speech.Internal.ObjectTokens.SAPICategories.DefaultDeviceOut()

at System.Speech.Internal.Synthesis.VoiceSynthesis..ctor(WeakReference speechSynthesizer)

at System.Speech.Synthesis.SpeechSynthesizer.get_VoiceSynthesizer()

at QuinnSDS.handlerTransform.<>c__DisplayClass6. b__1()