ABAP Keyword Documentation → ABAP - Reference → User Dialogs → Messages
Behavior of messages
When you send a
message using statement MESSAGE, it must be classified with a one-character
message type. The message
type defines how the message is displayed and determines the subsequent program flow. Valid message
types are "A", "E", "I", "S", "W", and "X". These stand for termination message, error message, information message, status message, warning, and exit message.
The system behavior after a message of a particular type is sent is context-dependent:
Other versions: 7.31 | 7.40 | 7.54
Notes
- Messages are mainly intended for use during dialog processing, and there for the event PAI. Here, messages of type "E" and "W" permit an
error dialog to be used in connection with the
statement
FIELDof the dynpro structure logic. Therefore, messages of type "E" or "W", in particular, should never be used in other contexts.
- During list processing, warnings are always turned into error messages before being processed further, regardless of any other context.
- As of release 6.20, you can use assertions as an alternative to generating runtime errors with messages of type "X".
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Messages in control processing
Messages in background processing