Check with recipient infrastructure team. They might have not given write permission.
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Bug reports without an attached log file are usually useless.
Sfrom your code. This is correct:
"put *.CSV<5H" ^
Sand still getting errors. Am I right in using it this way?
"put "*.csv" <H" ^
Ssuffix is supported by the latest beta version of WinSCP only?
"open ftp://USER:PASS1@18.104.22.168/" ^
"lcd C:\Users\TEST\TEST" ^
"put *.CSV<5HS" ^
*.CSVand the time operator, tried it with and without extra quotation marks but I'm not getting anywhere.