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Bug reports without an attached log file are usually useless.
<PackageReference Include="WinSCP" Version="5.17.9" />
FTP File transfer error The winscp.exe executable was not found at location of the assembly WinSCPnet (/app), nor the entry assembly ParserProject (/app), nor in an installation path. You may use Session.ExecutablePath property to explicitly set path to winscp.exe.
FTP File transfer error The version of /app/winscp.exe () does not match version of this assembly /app/WinSCPnet.dll (188.8.131.52)