Message Class 1002 - User-definable Server

The messages have the format:

1002nnnn

where	1002	is the message class, and
	`nnnn`	is the message number in the range 0000 - 9999.

Error messages in class 1002 are reserved for customer use. The messages are given by customer RPC server implementations. See for example Aborting RPC Server Customer Code and Returning Error to RPC Client.