MSIR.0400 SIRFIELD (subcmd) command too long: (word)
This message indicates that a SIRFIELD subcmd command was issued, and that the command could not succeed because it was longer than the internal limit for SIRFIELD commands. word is the part of the command which exceeded the limit.
If you get this message, you should be able to break the command up into multiple commands to accomplish the same thing. If this presents a difficulty for you, please call Technical Support.
The command is rejected.