Transfer Complete, Transfer Failed

I'm trying to upload some new photos to my website and this is what I get:

Remote file exist check: 'Slvr_supertank.jpg'.
SIZE Slvr_supertank.jpg
213 43008
MDTM Slvr_supertank.jpg
213 20051226222231
TYPE I
200 Type set to I.
PASV
227 Entering Passive Mode (66,98,165,47,15,99).
Opening data connection to 66.98.165.47 Port: 3939
STOR Slvr_supertank.jpg
125 Data connection already open; Transfer starting.
44040 bytes transferred. (45.1 KB/s) (953 ms)
426 Connection closed; transfer aborted.
TYPE A
200 Type set to A.
PASV
227 Entering Passive Mode (66,98,165,47,15,100).
Opening data connection to 66.98.165.47 Port: 3940
LIST -aL
125 Data connection already open; Transfer starting.
12350 bytes transferred. (96.4 KB/s) (125 ms)
226 Transfer complete.
Transfer failed.

bump