i cant log-in to ftp it says that there already is the maximun allowed users on, 3.

this is from FlashFXP:
WinSock 2.0
Connecting to harkin
Connected to harkin -> IP=64.5.58.142 PORT=21
220 ProFTPD 1.2.8 Server (ftp.pcplayground.com) [64.5.58.142]
USER harkin
530 Sorry, this ftp server has reached its maximum user count (3). Please try again later
Connection failed