anchor.diff:     CALL ReadVar ( UnIn, FileName, InitInp%Gravity, 'Gravity', 'Gravity', ErrStat, ErrMsg, UnEchoLocal )
   
      IF ( ErrStat /= ErrID_None ) THEN
  -      ErrMsg  = ' Failed to read Gravity parameter.'
         ErrStat = ErrID_Fatal
         CALL CleanupEchoFile( InitInp%Echo, UnEchoLocal )
         CLOSE( UnIn )
  
positive.code:    FileName = TRIM(inputFile)
     
     CALL GetNewUnit( UnIn )   
     CALL OpenFInpFile( UnIn, FileName, ErrStat )
     
     IF ( ErrStat /= ErrID_None ) THEN
        ErrMsg  = ' Failed to open HydroDyn Driver input file: '//FileName
  
negative.code:    END IF
  
        !> WaveElevSeriesFlag   -- are we doing multipoint wave elevation output?
     CALL ReadVar ( UnIn, FileName, InitInp%WaveElevSeriesFlag, 'WaveElevSeriesFlag', 'WaveElevSeriesFlag', ErrStat, ErrMsg )
     IF ( ErrStat /= ErrID_None ) THEN
        ErrStat = ErrID_Fatal
        CLOSE( UnIn )
        RETURN
  