Automation error

The specified module could not be found.

Component: Tridion.ContentManager.CoreService
Errorcode: 0
User: NT AUTHORITY\NETWORK SERVICE

StackTrace Information Details:
   at Tridion.ContentManager.Interop.TDS.TDSEClass.Initialize()
   at Tridion.ContentManager.Extensibility.Events.LegacyEventAdapter.Utilities.GetTomSession(Session forSession)
   at Tridion.ContentManager.Extensibility.Events.LegacyEventAdapter.Utilities.GetTomObject(IdentifiableObject forObject, TcmEventArgs eventArgs)
   at Tridion.ContentManager.Extensibility.Events.LegacyEventAdapter.LegacyEventAdapter.OnCopy(IdentifiableObject subject, CopyEventArgs e, EventPhases phase)
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at Tridion.ContentManager.Extensibility.EventSubscription.DeliverEvent(IEnumerable`1 subjects, TcmEventArgs eventArgs, EventPhases phase)
   at Tridion.ContentManager.Extensibility.EventSystem.DeliverEvent(IEnumerable`1 subjects, TcmEventArgs eventArgs, EventDeliveryPhase deliveryPhase)
   at Tridion.ContentManager.Extensibility.EventSystem.DeliverEvent(IdentifiableObject subject, TcmEventArgs eventArgs, EventDeliveryPhase deliveryPhase)
   at Tridion.ContentManager.ContentManagement.RepositoryLocalObject.Copy(OrganizationalItem destination, Boolean makeUnique)
   at Tridion.ContentManager.CoreService.CoreServiceBase.Copy(String id, String destinationId, Boolean makeUnique, ReadOptions readBackOptions)
   at SyncInvokeCopy(Object , Object[] , Object[] )
   at System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)
   at Tridion.ContentManager.CoreService.CoreServiceInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)
   at System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)
   at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)
   at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage11(MessageRpc& rpc)
   at System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)