Message type: E = Error
Message class: WD - Workflow definition
Message number: 421
Message text: Event '&' not maintained
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.
Unfortunately, there isn't any extra information in this error notice.
First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).
Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.
You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.
WD421
- Event '&' not maintained ?The SAP error message: WD421 Event '&' not maintained typically occurs in the context of Web Dynpro applications. Cause This error means that an event (whose name is represented by the placeholder '&') is being triggered or called in a Web Dynpro component, but this event has not been defined or maintained in the component's interface or controller. In other words, the Web Dynpro application is trying to handle an event that does not exist or has not been properly declared. Common scenarios include: The event is referenced in the code (e.g., in the view controller or component controller) but was never created or maintained in the event tab. The event name is misspelled or incorrect. The event is expected to be raised by a UI element (like a button or action) but the event handler is missing. The component interface does not include the event, but the code tries to raise or handle it. Solution Check the Event Definition: Open the
Get instant SAP help. Sign up for our Free Essentials Plan.
WD420
Event '&' saved
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
WD419
Step '&' added to buffer
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
WD422
Contents of clipboard cannot be moved
What causes this issue? The contents of the clipboard cannot be moved because they were created with the command Edit->Copy.System Response The c...
WD423
Wait event not specified
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.