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Message type: E = Error
Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools
Message number: 807
Message text: Node & in binding of element "&" / property "&" does not exist
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.
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SWDP_WB_TOOL807
- Node & in binding of element "&" / property "&" does not exist ?The SAP error message
SWDP_WB_TOOL807
typically occurs in the context of SAP Web Dynpro development when there is an issue with the binding of UI elements to the underlying data model. The error message indicates that a node or property that you are trying to bind to does not exist in the context of the Web Dynpro application.Cause:
- Incorrect Node/Property Name: The most common cause is that the name of the node or property you are trying to bind to is misspelled or does not match the names defined in the data model.
- Data Model Changes: If the data model has been changed (e.g., nodes or properties have been deleted or renamed) after the UI elements were created, the bindings may become invalid.
- Context Mapping Issues: There may be issues with how the context is mapped in the Web Dynpro component, leading to the UI not being able to find the specified node or property.
- Component Configuration: The component configuration might not be set up correctly, leading to the absence of the expected context.
Solution:
- Check Node/Property Names: Verify that the names of the nodes and properties in your binding expressions match exactly with those defined in the data model. Pay attention to case sensitivity.
- Update Bindings: If the data model has changed, update the bindings in the UI elements to reflect the current structure of the data model.
- Review Context Mapping: Ensure that the context mapping in the Web Dynpro component is correctly set up. Check that the relevant nodes are properly defined and accessible.
- Rebuild the Component: Sometimes, rebuilding the Web Dynpro component can help resolve issues related to outdated bindings.
- Check Component Configuration: Ensure that the component configuration is correctly set up to include the necessary context nodes.
Related Information:
By following these steps, you should be able to identify and resolve the issue causing the SWDP_WB_TOOL807
error message.
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