Method not found: ‘Void System.Threading.EventWaitHandle..ctor(…)’
Full message:
Method not found: ‘Void System.Threading.EventWaitHandle..ctor(Boolean, System.Threading.EventResetMode, System.String, Boolean ByRef, System.Security.AccessControl.EventWaitHandleSecurity)’
You are trying to use .NET Framework build of the assembly in .NET [Core] code or from PowerShell [Core].
You need to use .NET Standard build of the assembly, which is located in the netstandard2.0 subfolder of WinSCP-X.X.X-Automation.zip package.
For details, learn about installing the assembly.