550 Couldn't open the file or directory

[muznark]

ver 1.73
<Date/Time> Info [Type] Message
<02-12-2023 15:33:30> FTP Session 6 192.168.3.21 admin [Command] CWD 2023-12-02--01-33-09
<02-12-2023 15:33:30> FTP Session 6 192.168.3.21 admin [Response] 250 CWD command successful
<02-12-2023 15:33:30> FTP Session 6 192.168.3.21 admin [Command] SIZE /Моя Папка/Мои Устройства/Samsung/J260F/backup/TWRP/BACKUPS/SM-J260F/2023-12-02--01-33-09/data.f2fs.win001
<02-12-2023 15:33:30> FTP Session 6 192.168.3.21 admin [Response] 213 1549578608
<02-12-2023 15:33:30> FTP Session 6 192.168.3.21 admin [Command] PASV
<02-12-2023 15:33:30> FTP Session 6 192.168.3.21 admin [Response] 227 Entering Passive Mode (192,168,3,20,198,243)
<02-12-2023 15:33:30> FTP Session 6 192.168.3.21 admin [Command] REST 1549578608
<02-12-2023 15:33:30> FTP Session 6 192.168.3.21 admin [Response] 350 Restarting at 1549578608
<02-12-2023 15:33:30> FTP Session 6 192.168.3.21 admin [Command] STOR data.f2fs.win001
<02-12-2023 15:33:30> FTP Session 6 192.168.3.21 admin [Response] 550 Couldn't open the file or directory

and so on until the service restarts...