Application: NetFlowService.exe Framework Version: v4.0.30319 Data is Null

Hello;

I am getting the following error in the event viewer:

Application: NetFlowService.exe

Framework Version: v4.0.30319

Description: The process was terminated due to an unhandled exception.

Exception Info: System.Data.SqlTypes.SqlNullValueException

Stack:

   at System.Data.SqlClient.SqlBuffer.get_Int32()

   at System.Data.SqlClient.SqlDataReader.GetInt32(Int32)

   at SolarWinds.Orion.NetFlow.DAL.CBQoSDAL.GetAllPollJobs()

   at SolarWinds.Orion.NetFlow.Cbqos.PollJobManager.RefreshPollJobs()

   at SolarWinds.Orion.NetFlow.Cbqos.PollJobManager..ctor(SolarWinds.Orion.NetFlow.JobEngineSupport.IJobSchedulerFactory, SolarWinds.Orion.NetFlow.Cbqos.ICbqosPollJobFactory, SolarWinds.Orion.NetFlow.Cbqos.ICbqosDAL, SolarWinds.Orion.NetFlow.Interfaces.IEngineHelper)

   at SolarWinds.Orion.NetFlow.Cbqos.CbqosController.StartDiscoveryAndPolling()

   at SolarWinds.Orion.NetFlow.Cbqos.CbqosController.TryConfigure()

   at SolarWinds.Orion.NetFlow.Cbqos.CbqosController.Init()

   at SolarWinds.Orion.NetFlow.ReceiverApp.InitializeService()

   at SolarWinds.Orion.NetFlow.ReceiverApp.Start()

   at SolarWinds.Orion.NetFlow.AppContext.<Initialize>b__a()

   at System.Threading.ThreadHelper.ThreadStart_Context(System.Object)

   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)

   at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)

   at System.Threading.ThreadHelper.ThreadStart()

Also I am getting:

Unhandled exception: Data is Null. This method or property cannot be called on Null values.

The only way to solve it is by restarting all services.....

Please advise...