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Message type: E = Error
Message class: SWDP_GENERATION - Generation
Message number: 023
Message text: View element &1 inherits from multiple other view elements
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SWDP_GENERATION023
- View element &1 inherits from multiple other view elements ?The SAP error message SWDP_GENERATION023 indicates that there is an issue with the inheritance of view elements in a Web Dynpro application. Specifically, it means that a view element is trying to inherit from multiple other view elements, which is not allowed in the Web Dynpro framework.
Cause:
The error typically arises due to one of the following reasons:
- Multiple Inheritance: The view element is defined in such a way that it attempts to inherit properties or attributes from more than one parent view element. In Web Dynpro, a view element can only inherit from a single parent.
- Model Configuration Issues: There may be a misconfiguration in the model or the way the view elements are structured.
- Copy-Paste Errors: Sometimes, during development, elements may be copied and pasted incorrectly, leading to unintended multiple inheritance.
Solution:
To resolve this error, you can follow these steps:
Check Inheritance Structure:
- Open the Web Dynpro component in the SAP Web Dynpro Workbench.
- Navigate to the view element that is causing the error.
- Review its properties and check the inheritance settings. Ensure that it is only inheriting from one parent view element.
Modify the View Element:
- If the view element is incorrectly set to inherit from multiple elements, modify it to inherit from only one.
- If you need to combine properties from multiple elements, consider creating a new parent view element that consolidates the necessary properties and have your view element inherit from this new parent.
Review Model Configuration:
- Ensure that the model configuration is correct and that there are no conflicting definitions that could lead to multiple inheritance.
Rebuild the Component:
- After making the necessary changes, rebuild the Web Dynpro component to ensure that the changes take effect.
Test the Application:
- Once the changes are made, test the application to ensure that the error is resolved and that the application behaves as expected.
Related Information:
By following these steps, you should be able to resolve the SWDP_GENERATION023 error and ensure that your Web Dynpro application functions correctly.
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