Double click the file in the transfer queue and a log window opens. Post the log here.
Thanks
[17:25:06] Operation Begin
[17:25:06] Resolving host name "69.72.218.122"
[17:25:06] Connecting to 69.72.218.122 Port: 21
[17:25:06] Connected to 69.72.218.122.
[17:25:06] 220 ProFTPD 1.3.1 Server (ProFTPD) [69.72.218.122]
[17:25:06] USER sfcemtuoba
[17:25:06] 331 Password required for sfcemtuoba
[17:25:06] PASS (hidden)
[17:25:06] 230 User sfcemtuoba logged in
[17:25:06] SYST
[17:25:06] 215 UNIX Type: L8
[17:25:06] Detected Server Type: UNIX
[17:25:06] RTT: 21.848 ms
[17:25:06] FEAT
[17:25:06] 211-Features:
[17:25:06] MDTM
[17:25:06] REST STREAM
[17:25:06] SIZE
[17:25:07] 211 End
[17:25:07] Detected Server Software: ProFTPD
[17:25:07] PWD
[17:25:07] 257 "/" is the current directory
[17:25:07] CWD /subdomains/forums
[17:25:07] 250 CWD command successful
[17:25:07] PWD
[17:25:07] 257 "/subdomains/forums" is the current directory
[17:25:07] MKD upload
[17:25:07] 550 upload: Permission denied
[17:25:07] CWD /subdomains/forums/upload
[17:25:07] 550 /subdomains/forums/upload: No such file or directory
[17:25:07] Transfer failed.
[17:25:07] Operation End