How To Fix SWDP_WB_CHIP023 - Type &1 of port &2 does not match type of &3 (&4)

SAP Error Message - Details

• Message type: E = Error

• Message class: SWDP_WB_CHIP - Message Class

• Message number: 023

• Message text: Type &1 of port &2 does not match type of &3 (&4)

Self-Explanatory Message

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.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWDP_WB_CHIP023 - Type &1 of port &2 does not match type of &3 (&4) ?

  The SAP error message SWDP_WB_CHIP023 indicates a type mismatch in the context of Composite Application Framework (CAF) or Web Dynpro applications, specifically when dealing with the configuration of a Web Dynpro component or a Composite Application. This error typically arises when the type of a port (input or output) defined in a Component Interface does not match the expected type defined in the corresponding component or service.
  Cause:
  
  Type Mismatch: The most common cause of this error is that the data type of the port defined in the Web Dynpro component does not match the data type expected by the component that is being called or referenced.
  Incorrect Configuration: There may be an incorrect configuration in the component interface or the component itself, leading to a mismatch in expected data types.
  Changes in Data Types: If there have been recent changes to the data types in the underlying data model or service, and the component has not been updated accordingly, this error can occur.
  
  Solution:
  
  Check Port Definitions: Review the port definitions in the Web Dynpro component and ensure that the data types match the expected types. This includes checking both input and output ports.
  Update Component Interface: If the component interface has been modified, ensure that all components using this interface are updated to reflect the changes.
  Rebuild the Component: Sometimes, rebuilding the component can resolve inconsistencies. This can be done by activating the component again in the SAP development environment.
  Check for Dependencies: Ensure that all dependent components and services are correctly defined and activated. If there are any dependencies that are not activated, it may lead to type mismatches.
  Consult Documentation: Review the SAP documentation for the specific components you are working with to ensure that you are using the correct data types and configurations.
  
  Related Information:
  
  Web Dynpro Documentation: Refer to the official SAP Web Dynpro documentation for detailed information on component interfaces and port definitions.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they have found.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on resolving this error.
  
  By following these steps, you should be able to identify and resolve the cause of the SWDP_WB_CHIP023 error in your SAP application.