550: Command `cmd` fails - `name` is of an unsupported type

Explanation

The specified command was sent to the server, but the server does not support that command for the specified type of data set.

In the message text:

cmd: The command name that is specified on the FTP command.
name: The data set name that is specified on the FTP command.

Example

mvsget /etc/ftp.data 'user1.ftp.ps'                                           
EZA1701I >>> xdss /etc/ftp.data                                               
550 Command XDSS fails – /etc/ftp.data is of an unsupported type

System action

FTP continues processing.

Operator Response

No action is needed.

User Response

Reissue the subcommand with a data set of a supported type. For more information about the MVSGET or MVSPUT subcommand, see z/OS Communications Server: IP User's Guide and Commands.

System programmer response