Errors occurring within a SQL Server database or the operating system that the SQL Executable passes back to ESL have the form:

"ERROR: (severity) DBErrString OSErrString" 

"ERROR: "

The default error string. If you change it using the error command, each message will be preceded by the string that you specify.

severity

One of the following strings:

info

user

nonfatal conversion server

time

program resource

comm

fatal

consistency

DBErrString and OSErrString are supplied by SQL Server.