No uploads

Server closed connection ???

[20:11:26] SmartFTP v3.0.1026.11
[20:11:27] Resolving host name "ftp.fotki.com"
[20:11:27] Connecting to 38.107.66.16 Port: 21
[20:11:27] Connected to ftp.fotki.com.
[20:11:27] 220 dev.fotki.com FTP server (Fotki Photos-thru-FTP Engine 2.0 (Alfa)) ready.
[20:11:27] USER esjayjay
[20:11:27] 331 Username OK, please send password.
[20:11:27] PASS (hidden)
[20:11:28] 230 Welcome esjayjay.
[20:11:28] SYST
[20:11:28] 215 UNIX Type: L8
[20:11:28] Detected Server Type: UNIX
[20:11:28] RTT: 114.266 ms
[20:11:28] FEAT
[20:11:28] 211-Extensions supported:
[20:11:28] HOST
[20:11:28] LANG EN*
[20:11:28] MDTM
[20:11:28] MLST TYPE*;SIZE*;MODIFY*;PERM*;UNIX.MODE*;
[20:11:28] REST STREAM
[20:11:28] SIZE
[20:11:28] TVFS
[20:11:28] UTF8
[20:11:28] 211 END
[20:11:28] OPTS UTF8 ON
[20:11:28] 501 Command has no settable options.
[20:11:29] PWD
[20:11:29] 257 "/"
[20:11:29] TYPE A
[20:11:29] 200 TYPE changed to A.
[20:11:29] PASV
[20:11:29] 227 Entering Passive Mode (38,107,66,16,201,214)
[20:11:29] Opening data connection to 38.107.66.16 Port: 51670
[20:11:29] MLSD
[20:11:29] 150 Opening data connection for file listing.
[20:11:29] 157 bytes transferred. (1.29 KB/s) (118 ms)
[20:11:29] 226 Listing complete. Data connection has been closed.
[20:11:32] CWD /public
[20:11:32] 250 Changed directory OK.
[20:11:32] PWD
[20:11:32] 257 "/public"
[20:11:32] PASV
[20:11:32] 227 Entering Passive Mode (38,107,66,16,212,105)
[20:11:32] Opening data connection to 38.107.66.16 Port: 54377
[20:11:32] MLSD
[20:11:32] 150 Opening data connection for file listing.
[20:11:41] 450 Sorry, currently unavailable
[20:11:41] 0 bytes transferred. (0 bytes/s) (00:00:09)
[20:11:41] Server closed connection
[20:12:48] Resolving host name "ftp.fotki.com"
[20:12:48] Connecting to 38.107.66.16 Port: 21
[20:12:48] Connected to ftp.fotki.com.
[20:12:48] 220 dev.fotki.com FTP server (Fotki Photos-thru-FTP Engine 2.0 (Alfa)) ready.
[20:12:48] USER esjayjay
[20:12:49] 331 Username OK, please send password.
[20:12:49] PASS (hidden)
[20:12:49] 230 Welcome esjayjay.
[20:12:49] SYST
[20:12:49] 215 UNIX Type: L8
[20:12:49] Detected Server Type: UNIX
[20:12:49] RTT: 112.871 ms
[20:12:49] FEAT
[20:12:49] 211-Extensions supported:
[20:12:49] HOST
[20:12:49] LANG EN*
[20:12:49] MDTM
[20:12:50] MLST TYPE*;SIZE*;MODIFY*;PERM*;UNIX.MODE*;
[20:12:50] REST STREAM
[20:12:50] SIZE
[20:12:50] TVFS
[20:12:50] UTF8
[20:12:50] 211 END
[20:12:50] OPTS UTF8 ON
[20:12:50] 501 Command has no settable options.
[20:12:50] PWD
[20:12:50] 257 "/"
[20:12:50] TYPE A
[20:12:50] 200 TYPE changed to A.
[20:12:50] PASV
[20:12:50] 227 Entering Passive Mode (38,107,66,16,255,47)
[20:12:50] Opening data connection to 38.107.66.16 Port: 65327
[20:12:50] MLSD
[20:12:50] 150 Opening data connection for file listing.
[20:12:50] 157 bytes transferred. (1.33 KB/s) (115 ms)
[20:12:51] 226 Listing complete. Data connection has been closed.
[20:13:21] NOOP
[20:13:21] 200 OK
[20:13:23] CWD /public
[20:13:23] 250 Changed directory OK.
[20:13:23] PWD
[20:13:23] 257 "/public"
[20:13:23] PASV
[20:13:23] 227 Entering Passive Mode (38,107,66,16,210,151)
[20:13:23] Opening data connection to 38.107.66.16 Port: 53911
[20:13:23] MLSD
[20:13:23] 150 Opening data connection for file listing.
[20:13:33] 450 Sorry, currently unavailable
[20:13:33] 0 bytes transferred. (0 bytes/s) (00:00:09)
[20:13:33] Server closed connection


Any help please guys

It looks like a server side problem to me:
[20:13:33] 450 Sorry, currently unavailable

I recommend to contact your web hosting provider for assistance.