The message ID gets specified right at the start of the program and this is available in the reported statement. Message command helps in displaying the message ID. Message-ID includes a 2-character code that helps in defining a total set of 1000 total messages and message command defines what sets are to be used in the program.
The following are the different kinds of messages which appear in the program system :
E - Error : When this message appears, the current application stops working. The program running in the background mode also gets canceled. The job log records this message.
W - Warming : In order for the application to continue when this message appears, Enter must be pressed by the user. The job log also records this message.
I - Information : When this message appears, Enter must be pressed and this message which appears in the pop-up window also gets recorded by job log.
A -Abend : The current transaction used by the user gets canceled when this messy appears.
S - Success : This message appears mainly in the form of feedback that is given to the users. This appears at the bottom of the screen. This is considered to be a positive message. The program is not disturbed by this message.
X - Abort : Mainly the entire program Gerd aborted by this and generally an ABAP short dump gets created.
