How To Fix CHIP_API602 - Parameter &1 of inport &2 specified in the wiring does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CHIP_API - Messages for Generic CHIP Framework

• Message number: 602

• Message text: Parameter &1 of inport &2 specified in the wiring does not exist

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CHIP_API602 - Parameter &1 of inport &2 specified in the wiring does not exist ?

  The SAP error message CHIP_API602 indicates that there is an issue with the wiring of a Composite Application Framework (CAF) component, specifically that a parameter specified in the wiring does not exist. This error typically occurs in the context of SAP NetWeaver or when working with Web Dynpro applications.
  Cause:
  The error is caused by one of the following reasons:
  
  Incorrect Parameter Name: The parameter name specified in the wiring does not match any of the parameters defined in the inport of the component.
  Missing Inport Definition: The inport itself may not be defined in the component, leading to the parameter being unrecognized.
  Typographical Errors: There may be typographical errors in the wiring configuration, such as incorrect spelling or case sensitivity issues.
  Changes in Component: If the component has been modified (e.g., parameters added or removed) after the wiring was created, it may lead to this error.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Parameter Names:
  
  Verify that the parameter name specified in the wiring matches exactly with the parameter defined in the inport of the component. Pay attention to spelling, case sensitivity, and any special characters.
  
  
  
  Review Inport Definition:
  
  Ensure that the inport is correctly defined in the component. Check the component's interface to confirm that the parameter exists.
  
  
  
  Update Wiring:
  
  If the component has been modified, update the wiring to reflect the current parameters. You may need to remove and re-add the wiring to ensure it is correctly configured.
  
  
  
  Check for Typographical Errors:
  
  Carefully review the wiring configuration for any typographical errors that may have been overlooked.
  
  
  
  Rebuild the Application:
  
  If changes have been made, consider rebuilding the application or redeploying it to ensure that all changes are applied correctly.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific version you are using to understand the expected parameters and wiring configurations.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums to see if others have encountered similar issues and what solutions they found.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the wiring is failing.
  
  By following these steps, you should be able to identify and resolve the cause of the CHIP_API602 error in your SAP application.