Copying files to remote side failed

I'm trying to duplicate a link from one place to another, and I got this error. I'm connected to FTP site (port 21).

WinSCP 5.7

Error message:
Copying files to remote side failed.

Division by zero

Stack trace:
[00FB74CF]
[011505DE]
[01152646]
[0114F5C0]
[775FB466] ntdll.dll
[775B012E] ntdll.dll.KiUserExceptionDispatcher
[009E8C7A]
[0107C4BD]
[00FB75A7]
[00FB7308]
[0108AE9A]
[01090008]
[00983987]
[0097DD62]
[0097DF18]
[0097DF9F]
[009A30B7]
[00CF2740]
[00ADA2A1]
[00CB0678]
[753762F7] USER32.dll
[75376D35] USER32.dll
[753777BF] USER32.dll
[75377885] USER32.dll.DispatchMessageW

[01150C49]
[01152223]
[00FB73FC]
[00FB7308]
[0108AE9A]
[01090008]
[00983987]
[0097DD62]
[0097DF18]
[0097DF9F]
[009A30B7]
[00CF2740]
[00ADA2A1]
[00CB0678]
[753762F7] USER32.dll
[75376D35] USER32.dll
[753777BF] USER32.dll
[75377885] USER32.dll.DispatchMessageW

Thanks for your report.
I have sent you an email with a debug version of WinSCP to address you have used to register on this forum.