remote listing not showing

It work fine before, suddently yesterday, when I connect to as400, remote listing is no loger showing any files in the folder. , I even try reboot and reinstall the software. but still not working.

here is what I got ....




--------------------------- Info to help solve problem

TurboFTP Version 4.50 Build 423

TurboFTP Version 4.50 Build 423 - WinSock 2.0

This copy of TurboFTP is registered to DAVID WONG - Single Computer License with Sync Service module.
STATUS:>Connecting to WARI02 Port 21 (try #1) ...
STATUS:>Socket connected (IP = 10.208.26.55), waiting for server response ...
220-QTCP at WARI02.
220 Connection will close if idle more than 5 minutes.
COMMAND:>USER @ECACREP
331 Enter password.
COMMAND:>PASS (not shown)
230 @ECACREP logged on.
COMMAND:>SYST
215 OS/400 is the remote operating system. The TCP/IP version is "V5R3M0".
COMMAND:>FEAT
211-Feature listing follows:
AUTH TLS
PBSZ
PROT
211 End of feature listing.
COMMAND:>REST 100
500 subcommand is only allowed for block or compressed modes.
This site cannot resume broken download.
COMMAND:>pwd
257 "QGPL" is current library.
COMMAND:>TYPE A
STATUS:>Data connection opened.
200 Representation type is ASCII nonprint.
COMMAND:>PASV
227 Entering Passive Mode (10,208,26,55,4,182).
COMMAND:>LIST
125 List started.
STATUS:>17,681 bytes received in 00:00:06 (2.708 Kbytes/sec)
250 List completed.
COMMAND:>REST 0
500 subcommand is only allowed for block or compressed modes.
ERROR:>FTP command failed.
COMMAND:>NOOP
200 OK.
COMMAND:>TYPE I
200 Representation type is binary IMAGE.
COMMAND:>TYPE A
200 Representation type is ASCII nonprint.
COMMAND:>TYPE I
200 Representation type is binary IMAGE.
COMMAND:>TYPE I
200 Representation type is binary IMAGE.
COMMAND:>PWD
257 "QGPL" is current library.
COMMAND:>PWD
257 "QGPL" is current library.
COMMAND:>NOOP
200 OK.
COMMAND:>TYPE I
200 Representation type is binary IMAGE.
COMMAND:>TYPE A
200 Representation type is ASCII nonprint.
COMMAND:>TYPE A
200 Representation type is ASCII nonprint.
COMMAND:>REST 0
500 subcommand is only allowed for b