How To Fix CHIP_API666 - No proposal for outport &1 inport &2 because of mandatory parameter &3

SAP Error Message - Details

• Message type: E = Error

• Message class: CHIP_API - Messages for Generic CHIP Framework

• Message number: 666

• Message text: No proposal for outport &1 inport &2 because of mandatory parameter &3

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CHIP_API666 - No proposal for outport &1 inport &2 because of mandatory parameter &3 ?

  The SAP error message CHIP_API666 indicates that there is an issue with the configuration of a Composite Application Framework (CAF) or a Web Dynpro application, specifically related to the handling of input and output parameters in a component interface. The message suggests that there is no proposal for the specified outport and inport due to a missing mandatory parameter.
  Cause:
  
  Missing Mandatory Parameter: The error typically arises when a mandatory parameter required for the communication between components is not provided or is incorrectly configured.
  Incorrect Mapping: There may be an issue with how the input and output parameters are mapped between the components.
  Component Configuration: The configuration of the component might not be set up correctly, leading to the inability to find a suitable proposal for the specified ports.
  
  Solution:
  
  
  Check Parameter Configuration:
  
  Review the configuration of the component to ensure that all mandatory parameters are defined and correctly set.
  Verify that the parameter specified in the error message (&3) is indeed required and is being passed correctly.
  
  
  
  Review Interface Mapping:
  
  Check the mapping of input and output parameters between the components. Ensure that the inport and outport specified in the error message (&1 and &2) are correctly linked and that the data types match.
  
  
  
  Debugging:
  
  Use debugging tools to trace the execution flow and identify where the parameter is missing or incorrectly set.
  Look for any runtime exceptions or logs that might provide additional context about the error.
  
  
  
  Documentation and Help:
  
  Consult the SAP documentation for the specific component or application you are working with to understand the expected parameters and their configurations.
  If necessary, reach out to SAP support or community forums for assistance, providing them with the details of the error message and the context in which it occurs.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  Component Interfaces: Familiarize yourself with the concept of component interfaces in SAP, as understanding how they work can help in troubleshooting such errors.
  Version Compatibility: Ensure that you are working with compatible versions of the components involved, as discrepancies can lead to configuration issues.
  
  By following these steps, you should be able to identify and resolve the issue causing the CHIP_API666 error message in your SAP application.