How To Fix CHIP_API668 - Outport parameter &1 is assigned to inport parameter &2 in the proposal

SAP Error Message - Details

• Message type: E = Error

• Message class: CHIP_API - Messages for Generic CHIP Framework

• Message number: 668

• Message text: Outport parameter &1 is assigned to inport parameter &2 in the proposal

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CHIP_API668 - Outport parameter &1 is assigned to inport parameter &2 in the proposal ?

  The SAP error message CHIP_API668 indicates a problem with the assignment of parameters in a Composite Application Framework (CAF) or a Web Dynpro application. Specifically, it suggests that an outport parameter is incorrectly assigned to an inport parameter in a proposal, which can lead to issues in data flow and application logic.
  Cause:
  The error typically arises due to one of the following reasons:
  
  Incorrect Mapping: The outport parameter is not correctly mapped to the corresponding inport parameter. This can happen if the parameters are not compatible or if there is a mismatch in the expected data types.
  Configuration Issues: There may be a misconfiguration in the application or component settings that leads to incorrect parameter assignments.
  Development Errors: During the development of the application, developers may have inadvertently assigned the wrong parameters.
  
  Solution:
  To resolve the CHIP_API668 error, you can follow these steps:
  
  
  Check Parameter Assignments:
  
  Review the configuration of the component or application where the error occurs.
  Ensure that the outport parameter is correctly assigned to the appropriate inport parameter. Verify that the data types and expected values match.
  
  
  
  Review Proposals:
  
  If you are using proposals in your application, check the proposal settings to ensure that the parameters are correctly defined and assigned.
  
  
  
  Debugging:
  
  Use debugging tools to trace the flow of data and identify where the incorrect assignment is happening. This can help pinpoint the exact location of the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on parameter assignments and configurations specific to your version of SAP.
  
  
  
  Testing:
  
  After making changes, thoroughly test the application to ensure that the error is resolved and that the application behaves as expected.
  
  
  
  Seek Help:
  
  If the issue persists, consider reaching out to SAP support or consulting with a developer who has experience with the Composite Application Framework or Web Dynpro.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Documentation: Review the official SAP documentation for the Composite Application Framework or Web Dynpro for best practices on parameter handling and configuration.
  
  By following these steps, you should be able to identify and resolve the cause of the CHIP_API668 error in your SAP application.