How To Fix SWDP_WB_CHIP029 - Port &1:Port parameter &2 is not an appropriate component of structure &3

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDP_WB_CHIP - Message Class

• Message number: 029

• Message text: Port &1:Port parameter &2 is not an appropriate component of structure &3

What causes this issue?

Only structure components with elementary data type can be used as port
parameters. Nested structures, table types, or reference types are not
allowed.

System Response

Structure component &V2& cannot be used as a port parameter.

How to fix this error?

Delete port parameter &V2&.
All components of structure &V3& that are suitable as port parameters
can be selected from the Create pushbutton.

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

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_CHIP029 - Port &1:Port parameter &2 is not an appropriate component of structure &3 ?

  The SAP error message SWDP_WB_CHIP029 indicates that there is an issue with a port parameter in a Web Dynpro component. Specifically, the error message states that the port parameter specified is not an appropriate component of the structure defined for that port. This typically occurs in the context of Web Dynpro for ABAP when working with the Composite Application Framework (CAF) or when developing Web Dynpro components that use the Component Interface.
  Cause:
  The error can be caused by several factors:
  
  Incorrect Port Definition: The port parameter you are trying to use is not defined in the structure of the component interface. This could be due to a typo or a misunderstanding of the structure.
  Mismatch in Data Types: The data type of the port parameter does not match the expected data type defined in the structure.
  Changes in Component Interface: If the component interface has been modified (e.g., fields added or removed), and the consuming component has not been updated accordingly, this error may occur.
  Versioning Issues: If there are versioning issues between the components, it may lead to inconsistencies in the expected parameters.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Port Definitions:
  
  Go to the Web Dynpro component where the error is occurring.
  Verify the port definitions in the component interface. Ensure that the port parameter you are using is correctly defined in the structure.
  
  
  
  Validate Data Types:
  
  Ensure that the data types of the port parameters match the expected types in the structure. If there is a mismatch, correct it.
  
  
  
  Update Component Interface:
  
  If changes were made to the component interface, ensure that all dependent components are updated to reflect these changes. This may involve regenerating the component or re-importing the interface.
  
  
  
  Check for Typos:
  
  Double-check for any typos in the port parameter names or structure names.
  
  
  
  Rebuild the Application:
  
  Sometimes, simply rebuilding the application or refreshing the component can resolve transient issues.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation for Web Dynpro and the specific component you are working with to ensure you are following best practices.
  
  
  
  Related Information:
  
  Web Dynpro for ABAP: This is a development environment for creating web applications in SAP.
  Component Interface: A defined interface that allows communication between different components in Web Dynpro.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging: Use the debugging tools in SAP to trace the execution and identify where the error is occurring.
  
  If the issue persists after following these steps, consider reaching out to SAP support or consulting with a colleague who has experience with Web Dynpro development.