@ayananygmetova: Thanks for your report.
I have sent you an email with a debug version of WinSCP to the address you have used to register on this forum.
<Try to describe precise steps that lead to the problem (where do you click, what keys do you press, what do you see, etc.)>
<If relevant, consider attaching a session log file or a screenshot)>
WinSCP 5.21.6
Error message:
Error transferring file '/agreements/testing/ayana.json'.
Invalid access to memory.
Stack trace:
(000271F6)ntdll.dll
(00FDF74E) C5412_0
(00FE17B6) ____ExceptionHandler
(00FDE570) __ExceptionHandler
(00051EDE)ntdll.dll
(000521E1)ntdll.dll
Status: all_insignificant
I know how to reproduce the problem or the problem happens frequently enough. I wish to be contacted by the WinSCP team to help resolving the problem.