I have tried DEM reconditioning but ended up with this error every time
System.NullReferenceException: Object reference not set to an instance of an object.
at ESRI.APWR.ApHydro.ArcHydroOp.DEMReconditioningGP(ApLayers apLayers, Double numCellsBuff, Double sharpDrop, Double smoothDrop, Boolean raiseNegative, Boolean bUsingStreamGridInput, ITrackCancel& trackcancel, IGPMessages& messages, String& exMessage) in C:\Builds\HydroSolutions\10.2_ArcHydro\Sources\ArcHydroTools\src\ApHydro\ArcHydroOp.vb:line 62462
Failed to execute (DEMReconditioning)
Any HELP?
