Error encountered when running DWSIM with Python script

[Morteza]

Dear all

Every time I execute my simple Python script to run DWSIM, I encounter the following error:

Error instantiating 'DWSIM.Thermodynamics.ThermoC.ThermoCPropertyPackage': System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.IO.FileNotFoundException: Could not load file or assembly 'ThermoCS, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
   at DWSIM.Thermodynamics.ThermoC.ThermoCPropertyPackage.Init()
   --- End of inner exception stack trace ---
   at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck)
   at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark)
   at System.Activator.CreateInstance(Type type, Boolean nonPublic)
   at System.Activator.CreateInstance(Type type)
   at DWSIM.SharedClasses.Utility.GetPropertyPackages(Assembly assmbly) in C:\Users\Daniel\source\repos\DanWBR\dwsim\DWSIM.SharedClasses\Misc\Utilities.vb:line 653

While the outcome is as anticipated, the recurring error raises concerns. I would appreciate your suggestions on resolving this issue.

Sincerely
Morteza

[Daniel Medeiros]

add a reference to ThermoCS dll:

clr.AddReference(dwsimpath + "/ThermoCS/ThermoCS.dll")

[Morteza]

Perfect! Thank you.