Each entry in the error log records the following properties (some are disabled by default and must be enabled):

Displays the date and time of the operation. Format: DD/Month/ YYYY:HH:MM:SS <offset from UTC time>
Specifies the message category that is loosely based on the server components.
Specifies the message severity of the event, which defines the importance of the message in terms of major errors that need to be quickly addressed. The default severity levels are:
  • fatal-error
  • notice
  • severe-error
  • severe-warning
Message ID
Specifies the numeric identifier of the message.
Stores the error, warning, or informational message.