[Bug][GenerationLogic] Length cannot be less than zero.Parameter name: length

[dingysh2022]

We are facing this issue Length cannot be less than zero. Parameter name: length when trying to use the app. The following is the corresponding stack trace.

   at System.String.InternalSubStringWithChecks(Int32 startIndex, Int32 length, Boolean fAlwaysCopy)
   at System.String.Substring(Int32 startIndex, Int32 length)
   at PlantUMLCodeGeneratorGUI.Class.Set(String classContent)
   at PlantUMLCodeGeneratorGUI.Namespace.ProcessFullContent(String fullContent)
   at PlantUMLCodeGeneratorGUI.Namespace.Set(String namespaceContent)
   at PlantUMLCodeGeneratorGUI.Namespace.Set(String namespaceContent)
   at PlantUMLCodeGeneratorGUI.Namespace.Set(String namespaceContent)
   at PlantUMLCodeGeneratorGUI.Namespace.Set(String namespaceContent)
   at PlantUMLCodeGeneratorGUI.Processor.Process(String fileContent, Settings settings, Namespace& defaultNamespace)
   at PlantUMLCodeGeneratorGUI.frmMain.<btnGenerate_Click>b__5_0(Object o)

[sathukorale]

@dingysh2022 If you dont mind, can you please share the code that recreates this. It doesn't have to be the exact same code, perhaps a trimmed version.