Unable to put file to directory using .net assembly.... works in GUI

I keep getting Copy files to remote side failed.
Receiver ID has not been set.
When I set the directory in the put command I get Real path and requested remote path do not match.

I can send both the Gui log and the log from the .net app.

These are the logs

WinSCP cannot talk to a server that does not use a *nix-like paths.

Maybe there's some post-login command that you can send to the server to switch to the *nix-like paths.

Similarly to the site namefmt 1 and site listfmt 1 commands for IBM Power Systems:
https://winscp.net/eng/docs/ui_login_ftp