DSNE926E COMMAND REJECTED - `command` NOT SUPPORTED UNDER `command_processor`

Explanation
 The user entered a TSO TIME or TEST command. These
are not supported by DSN or DB2I.

System action
 The user should leave DSN or DB2I, return to
TSO, and retry the command. DSN can be run under TSO TEST. The TSO
attachment facility is ready for more input.

User response
 Enter the DSN subcommand, or leave DSN to execute
the requested command.