IST450I

Explanation
 VTAM® issues
this message when the command has invalid syntax.
 See Command and RU types in VTAM messages for a description of command.
If VTAM cannot determine the
command type because of the syntax error, the command field
in this message will be blank.

System action
 VTAM rejects
the command.

Operator response
 Reenter the command with the correct syntax.
See z/OS Communications Server: SNA Operation  for the correct syntax.

System programmer response
 None.
 Note: If you modify this
message, you must specify MSG=(IST450I,1) on the USSMSG macro. This
will define IST450I and USS message 1 to be identical in the operation-level
USS table. See the z/OS Communications Server: SNA Resource Definition
Reference for information
on the USSMSG macro for VTAM operator
messages. 

Routing code
 2

Descriptor code
 5 