In SAP ABAP, a message class is a set of messages that can be utilized in an ABAP program or application. These messages are important in providing users with information, warnings, and error messages during the execution of a program.
Transaction SE91 is used in creating a message class, and it contains one or more messages. Each message has a message type, message number, unique identifier, short and long text. The message text can also be written in different languages to support internationalization.
In ABAP programs, messages are called using the MESSAGE statement. It includes the message class, message number, and any variables needed for the message text. The MESSAGE statement can be used to write messages to the system log or display messages to the user.
Using message classes in SAP ABAP can enhance program consistency, simplify message maintenance, and support multi-language applications. By defining and using message classes, developers can guarantee that messages are consistently displayed throughout the application and that message changes can be made easily and efficiently.
Steps shown in the below video
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