Re: Error messge
That's a warning, not an error. And it's not related directly to this question.
You probably want to do this:
See https://winscp.net/eng/docs/scriptcommand_get#syntax
You probably want to do this:
get -filemask="*>=today|*/" /home/Out/* Y:\Imports\New\
See https://winscp.net/eng/docs/scriptcommand_get#syntax