Re: File sending stops after SSH_FXP_SETSTAT
Did you try upgrading? WinSCP 5.9.6 is over 4 years old.
Before posting, please read how to report bug or request support effectively.
Bug reports without an attached log file are usually useless.
> 2021-10-21 15:12:43.376 Script: put -nopermissions -preservetime -transfer="binary" -filemask="*.*" -- "\\UNC_PATH\*.*" "/*.*"
. 2021-10-21 15:12:43.376 Copying 1 files/directories to remote directory "/"
. 2021-10-21 15:12:43.376 PrTime: Yes; PrRO: No; Rght: rw-r--r--; PrR: No (No); FnCs: N; RIC: 0100; Resume: S (102400); CalcS: No; Mask: *.*
. 2021-10-21 15:12:43.376 TM: B; ClAr: No; RemEOF: No; RemBOM: No; CPS: 0; NewerOnly: No; InclM: *.*; ResumeL: 0
. 2021-10-21 15:12:43.391 AscM: *.*html; *.htm; *.txt; *.php; *.php3; *.cgi; *.c; *.cpp; *.h; *.pas; *.bas; *.tex; *.pl; *.js; .htaccess; *.xtml; *.css; *.cfg; *.ini; *.sh; *.xml
. 2021-10-21 15:12:43.391 File: 'xyz.csv' [2021-10-21T13:04:10.964Z] [85292]
. 2021-10-21 15:12:43.391 Copying "xyz.csv" to remote directory started.
. 2021-10-21 15:12:43.391 Binary transfer mode selected.
. 2021-10-21 15:12:43.391 Opening remote file.
> 2021-10-21 15:12:43.391 Type: SSH_FXP_OPEN, Size: 63, Number: 259
< 2021-10-21 15:12:43.454 Type: SSH_FXP_HANDLE, Size: 45, Number: 259
> 2021-10-21 15:12:43.454 Type: SSH_FXP_WRITE, Size: 32825, Number: 774
. 2021-10-21 15:12:43.469 2 skipped SSH_FXP_WRITE, SSH_FXP_READ, SSH_FXP_DATA and SSH_FXP_STATUS packets.
> 2021-10-21 15:12:43.469 Type: SSH_FXP_CLOSE, Size: 45, Number: 1540
> 2021-10-21 15:12:43.469 Type: SSH_FXP_SETSTAT, Size: 59, Number: 521
. 2021-10-21 15:18:05.241 --------------------------------------------------------------------------
. 2021-10-21 15:18:05.241 WinSCP Version 5.9.6 (Build 7601) (OS 6.1.7601 Service Pack 1 - Windows Server 2008 R2 Enterprise)
. 2021-10-21 15:18:05.241 Configuration: nul
. 2021-10-21 15:18:05.241 Log level: Normal
> 2021-10-21 15:12:43.469 Type: SSH_FXP_SETSTAT, Size: 59, Number: 521
. 2021-10-21 15:18:05.241 --------------------------------------------------------------------------
. 2021-10-21 15:18:05.241 WinSCP Version 5.9.6 (Build 7601) (OS 6.1.7601 Service Pack 1 - Windows Server 2008 R2 Enterprise)