EZA1457I

You must first issue the 'OPEN' command
Explanation
 The OPEN subcommand must be issued to establish
a connection to the other host's FTP server.

System action
 FTP continues.

Operator response
 Issue the OPEN subcommand with a host name.
See the z/OS Communications Server: IP User's Guide and
Commands for information about the open subcommand.

System programmer response
 No action is needed.

Module
 EZAFTPCL, EZAFTPPC