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Message type: E = Error
Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools
Message number: 414
Message text: A maximum of one Web Dynpro component interface can be implemented
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SWDP_WB_TOOL414
- A maximum of one Web Dynpro component interface can be implemented ?The SAP error message SWDP_WB_TOOL414 indicates that there is an issue with the implementation of Web Dynpro component interfaces in your SAP system. Specifically, this error occurs when you attempt to implement more than one Web Dynpro component interface in a single Web Dynpro component, which is not allowed.
Cause:
The primary cause of this error is the attempt to implement multiple Web Dynpro component interfaces in a single Web Dynpro component. According to the design of Web Dynpro, each component can only implement one interface. This restriction is in place to maintain the integrity and structure of the component's architecture.
Solution:
To resolve this error, you need to ensure that your Web Dynpro component implements only one Web Dynpro component interface. Here are the steps you can take:
Check the Component Implementation:
- Open the Web Dynpro component in the Web Dynpro Workbench (transaction code
SE80
).- Navigate to the "Component" section and check the "Interface" tab to see which interfaces are currently implemented.
Remove Extra Interfaces:
- If you find that there are multiple interfaces implemented, you will need to remove the additional interfaces.
- You can do this by selecting the interface you want to remove and using the appropriate option to delete or deactivate it.
Create a New Component:
- If you need to implement multiple interfaces, consider creating a new Web Dynpro component for the additional interface. Each component can then implement its own single interface.
Recheck the Design:
- Review the design of your application to ensure that the architecture aligns with the Web Dynpro guidelines. This may involve refactoring your components to better fit the one-interface-per-component rule.
Test the Changes:
- After making the necessary changes, activate the component and test it to ensure that the error is resolved and that the functionality works as expected.
Related Information:
By following these steps, you should be able to resolve the SWDP_WB_TOOL414 error and ensure that your Web Dynpro components are correctly implemented.
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