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Message type: E = Error
Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools
Message number: 154
Message text: Signature of & does not match the component interface &
The Web Dynpro component &V3& implements the Web Dynpro interface &V2&.
The signature for &V1& in &V4& of the Web Dynpro component &V3& differs
from the one for &V1& in &V4& of the Web Dynpro interface &V2&.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Match up &V4& of the Web Dynpro component &V3& with the Web Dynpro
interface definition &V2&.
Error message extract from SAP system. Copyright SAP SE.
SWDP_WB_TOOL154
- Signature of & does not match the component interface & ?The SAP error message SWDP_WB_TOOL154 indicates that there is a mismatch between the signature of a component interface and the implementation of that interface in the Web Dynpro application. This typically occurs when there are changes made to the interface (like adding or removing parameters) without corresponding updates to the implementation.
Cause:
- Interface Changes: The component interface has been modified (e.g., parameters added, removed, or changed) but the implementing component has not been updated accordingly.
- Version Mismatch: The version of the component interface being used does not match the version of the implementation.
- Transport Issues: If the changes were transported from one system to another, the transport might not have included all necessary objects, leading to inconsistencies.
Solution:
- Check Interface Definition: Review the component interface definition to ensure that it matches the implementation. Look for any discrepancies in the parameters.
- Update Implementation: If the interface has changed, update the implementing component to match the new interface signature. This may involve modifying method signatures, adding or removing parameters, etc.
- Rebuild the Component: Sometimes, simply rebuilding the Web Dynpro component can resolve the issue. This can be done in the Web Dynpro Workbench.
- Transport Consistency: If the issue arose after a transport, ensure that all related objects were transported correctly. You may need to re-transport the component interface and its implementation.
- Check for Dependencies: Ensure that there are no other components or dependencies that might be affected by the changes made to the interface.
Related Information:
By following these steps, you should be able to resolve the SWDP_WB_TOOL154 error and ensure that your Web Dynpro application functions correctly.
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