WinSCP no longer seems to work with scripts which have previously worked corrently

I have recently changed the password on my server. However, WinSCP scripts which worked perfectly well no longer seem to work; in fact the error seems to suggest that the WinSCP command FTPES is incorrect (Unknown command error). The new password is correct - I can log on to the server using it with no issues.

I have attached the script file below with only the password (which is correct in the actual script) omitted.

Any help very much appreciated.

First of all, you have publicly shared your credentials. You must now consider your server and any confidential data stored there compromised. I've deleted the credentials from the script already. But that does not change anything.

---

Second, the script works for me. If it does not work for you, please attach a full session log file showing the problem (using the latest version of WinSCP).