The file is indeed not in the target directory, even though the upload succeeded.
On *nix server, the permissions "r-xr-xr-x" would indeed indicate, that you cannot write to the directory.
But it's some custom SFTP server, it may not be based on *nix, and the permissions it reports can easily be fake.
There's hardly anything more I can debug remotely. WinSCP uploaded the file, the server acknowledged the upload. The file is not there yet. It looks like a bug in the server to me (either it discarded the file for some reason; or it failed to report some error, that prevented the upload). I do not see anything wrong on WinSCP side.
Are you able to upload the file to their server anyhow? Using WinSCP GUI? Using any other SFTP client?
On *nix server, the permissions "r-xr-xr-x" would indeed indicate, that you cannot write to the directory.
But it's some custom SFTP server, it may not be based on *nix, and the permissions it reports can easily be fake.
There's hardly anything more I can debug remotely. WinSCP uploaded the file, the server acknowledged the upload. The file is not there yet. It looks like a bug in the server to me (either it discarded the file for some reason; or it failed to report some error, that prevented the upload). I do not see anything wrong on WinSCP side.
Are you able to upload the file to their server anyhow? Using WinSCP GUI? Using any other SFTP client?