28> DECLARE @parm1 varchar(30), @parm2 int29> SELECT @parm1=USER_NAME(), @parm2=@@spid30> RAISERROR (50001, 15, -1, @parm1, @parm2)31> GOMsg 50001, Level 15, State 1, Server J\SQLEXPRESS, Line 30The specified value for dbo was invalid.1>