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Message type: E = Error
Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools
Message number: 820
Message text: Typing of parameter & has changed
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SWDP_WB_TOOL820
- Typing of parameter & has changed ?The SAP error message "SWDP_WB_TOOL820 Typing of parameter & has changed" typically occurs in the context of SAP Web Dynpro development. This error indicates that there has been a change in the data type of a parameter in a method or function module that is being used in your Web Dynpro application. This can happen due to various reasons, such as changes in the underlying data model, updates to the function module, or modifications in the interface of a component.
Cause:
- Data Type Change: The parameter's data type has been modified in the method or function module definition.
- Inconsistent Interface: The interface of the component or method being called has changed, leading to a mismatch in expected data types.
- Versioning Issues: If you are working with different versions of components or function modules, there may be inconsistencies in the expected parameter types.
Solution:
- Check the Method/Function Module: Review the method or function module where the error is occurring. Verify the data types of the parameters and ensure they match what is expected in your Web Dynpro application.
- Update the Web Dynpro Component: If the parameter types have changed, you may need to update your Web Dynpro component to reflect these changes. This could involve modifying the data types in your component's context or adjusting the method calls.
- Rebuild the Application: After making changes, rebuild your Web Dynpro application to ensure that all components are synchronized with the latest definitions.
- Check for Dependencies: If your application relies on other components or function modules, ensure that they are also updated and compatible with the changes made.
- Clear Cache: Sometimes, clearing the cache in the SAP system can help resolve issues related to outdated definitions.
Related Information:
By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.
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