INVALID NAME FOR OPERAND RC=aa...aa

An option or a command argument is invalid.

aa...aa: Reason code

O: Take countermeasures according to the reason code.

Reason code	Cause of the error
-15618	The number of options or the number of command arguments is invalid.
-15619	An option or a command argument is invalid.
-15620	The port number is invalid.
-15621	The file name (path name) has more than 255 characters.