Module-3 milestone-2

when i try to tranfer file from server to client i am getting this error
please help!!

ftp> get download.txt
local: download.txt remote: download.txt
227 Entering Passive Mode (192,168,21,49,100,221).
550 Failed to open file.

The 550 error code is a result of insufficient account privileges on the remote FTP server.
Hint: do not use anonymous mode