i'm trying to copy file from as400 to pc with ftp
but I get this exception

Exception in component tFTPFileProperties_1
com.enterprisedt.net.ftp.FTPException: Subcommand SIZE not valid.
    at com.enterprisedt.net.ftp.FTPControlSocket.validateReply(FTPControlSocket.java:999)
    at com.enterprisedt.net.ftp.FTPClient.size(FTPClient.java:1953)
    at normadec.normadec_0_1.normadec.tFTPFileProperties_1Process(normadec.java:872)
    at normadec.normadec_0_1.normadec.tFTPConnection_1Process(normadec.java:244)
    at normadec.normadec_0_1.normadec.runJobInTOS(normadec.java:1276)
    at normadec.normadec_0_1.normadec.main(normadec.java:1178)

sorry but i'n newbye in talend studio

thank in advance
marco