Error of name for assignment question of tutorial(CSTR)
Title
Question
Drive link:
https://drive.google.com/file/d/117US25tw_eUSA0rlgzCYXkUX8oPYabal/view?usp=sharing
This error was raised during the calculation of a Unit Operation or Material Stream.
System.NullReferenceException: Object reference not set to an instance of an object.
at DWSIM.SharedClasses.SystemsOfUnits.Converter.ConvertToSI(String units, Double value) in C:\Users\Daniel\source\repos\DanWBR\dwsim\DWSIM.SharedClasses\UnitsOfMeasure\SystemsOfUnits.vb:line 1184
at DWSIM.UnitOperations.Reactors.Reactor_CSTR.NewCalculate(Object args) in C:\Users\Daniel\source\repos\DanWBR\dwsim\DWSIM.UnitOperations\Reactors\CSTR.vb:line 701
at DWSIM.SharedClasses.UnitOperations.BaseClass.Solve() in C:\Users\Daniel\source\repos\DanWBR\dwsim\DWSIM.SharedClasses\BaseClass\SimulationObjectBaseClasses.vb:line 442
at DWSIM.FlowsheetSolver.FlowsheetSolver.CalculateObjectAsync(Object fobj, CalculationArgs objArgs, CancellationToken ct) in C:\Users\Daniel\source\repos\DanWBR\dwsim\DWSIM.FlowsheetSolver\FlowsheetSolver.vb:line 223
at DWSIM.FlowsheetSolver.FlowsheetSolver.ProcessQueueInternalAsync(Object fobj, CancellationToken ct) in C:\Users\Daniel\source\repos\DanWBR\dwsim\DWSIM.FlowsheetSolver\FlowsheetSolver.vb:line 520
Location:
Code Location: ConvertToSI (file 'C:\Users\Daniel\source\repos\DanWBR\dwsim\DWSIM.SharedClasses\UnitsOfMeasure\SystemsOfUnits.vb', line 1184)
Calling Method: NewCalculate (file 'C:\Users\Daniel\source\repos\DanWBR\dwsim\DWSIM.UnitOperations\Reactors\CSTR.vb', line 701)
Check input parameters. If this error keeps occurring, try another Property Package and/or Flash Algorithm.
DWSIM Continuous-Stirred-Tank-Reactor 07-08 min 10-20 sec
Answers:
You must be doing something wrong or missing some input parameters. I have tried solving the problem and it works fine. Kindly retry the problem with correct input parameters. If the error still exists, kindly upload the DWSIM file in g-drive and share the link.
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