How To Fix SWDP_WB_TOOL155 - Type of the plug & does not match the component interface &

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDP_WB_TOOL - Web Dynpro: Messages for Workbench Tools

• Message number: 155

• Message text: Type of the plug & does not match the component interface &

What causes this issue?

The Web Dynpro component &V3& implements the Web Dynpro interface &V2&.
The type of the inbound or outbound plug &V1& in &V4& of the Web Dynpro
component &V3& is different from the one for &V1& in &V4& of the Web
Dynpro interface &V2&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Match &V4& of the Web Dynpro component &V3& to the Web Dynpro interface
&V2&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_WB_TOOL155 - Type of the plug & does not match the component interface & ?

  The SAP error message SWDP_WB_TOOL155 typically indicates a mismatch between the type of a plug and the expected type defined in the component interface. This error often occurs in the context of Web Dynpro applications when there is an inconsistency in the data types or structures being used in the component's interface and the actual implementation.
  Cause:
  
  
  Type Mismatch: The most common cause is that the data type of the plug (input/output) does not match the data type defined in the component interface. This can happen if:
  
  The interface has been changed (e.g., a field was added or removed).
  The data types of the parameters have been modified.
  The plug is incorrectly configured in the Web Dynpro component.
  
  
  
  Changes in Component Interface: If the component interface has been modified after the plug was created, the existing plug may not be compatible with the new interface definition.
  
  
  Incorrect Mapping: If the mapping between the plug and the component interface is not correctly set up, it can lead to this error.
  
  
  Solution:
  
  
  Check Component Interface: Review the component interface definition to ensure that the data types of the plugs match the expected types. Make sure that all parameters are correctly defined.
  
  
  Update Plugs: If the component interface has changed, you may need to update the plugs to match the new definitions. This can involve:
  
  Modifying the existing plugs to align with the updated interface.
  Creating new plugs if necessary.
  
  
  
  Recheck Mappings: Ensure that the mappings between the plugs and the component interface are correctly set up. This includes checking the input and output parameters.
  
  
  Rebuild the Component: Sometimes, rebuilding the Web Dynpro component can help resolve inconsistencies. This can be done by activating the component again.
  
  
  Check for Dependencies: If the component is dependent on other components, ensure that those components are also correctly defined and activated.
  
  
  Related Information:
  
  Web Dynpro Documentation: Refer to the official SAP documentation for Web Dynpro to understand the structure of component interfaces and plugs.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  Debugging: Use the debugging tools available in the SAP environment to trace the execution and identify where the mismatch occurs.
  
  By following these steps, you should be able to resolve the SWDP_WB_TOOL155 error and ensure that your Web Dynpro application functions correctly.