WinSCP not working with flyctl ssh issue key

I generated a key:

flyctl ssh issue personal

Converted to .ppk format

wipscp /keygen my.pem /output=my.ppk

scp works from command line, but WinSCP is unable to login:

Okay:

scp -p -i my.pem -r “image.png” root@server_ip:/var/data

WinSCP Not okay:

Error message:

Any ways that I can use any scp Windows GUI?