How To Fix SPXN187 - RFC consumer operation incompatible: response parameter &1 not found

SAP Error Message - Details

• Message type: E = Error

• Message class: SPXN - Proxy Generation

• Message number: 187

• Message text: RFC consumer operation incompatible: response parameter &1 not found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SPXN187 - RFC consumer operation incompatible: response parameter &1 not found ?

  The SAP error message SPXN187 indicates that there is an issue with the Remote Function Call (RFC) where the response parameter expected by the consumer is not found. This typically occurs when there is a mismatch between the expected structure of the RFC interface and the actual structure being returned by the RFC provider.
  Cause:
  
  
  Mismatch in RFC Interface: The most common cause is that the RFC consumer is expecting a certain response structure (parameters) that the RFC provider is not returning. This can happen if:
  
  The RFC function module has been changed (parameters added, removed, or renamed) but the consumer has not been updated accordingly.
  The consumer is calling an outdated version of the RFC function module.
  
  
  
  Incorrect Mapping: If the parameters are not correctly mapped in the consumer's code, it may lead to this error.
  
  
  Versioning Issues: If there are multiple versions of the RFC function module, the consumer might be calling an older version that does not have the expected parameters.
  
  
  Solution:
  
  
  Check RFC Function Module: Verify the definition of the RFC function module on the provider side. Ensure that the expected response parameters are correctly defined and that they match what the consumer is expecting.
  
  
  Update Consumer Code: If the RFC function module has been modified, update the consumer code to align with the new structure. This may involve:
  
  Updating the parameter names.
  Adding or removing parameters as necessary.
  
  
  
  Test the RFC Call: Use transaction SE37 or SE80 to test the RFC function module directly. This can help confirm that the function module is returning the expected parameters.
  
  
  Check for Version Conflicts: Ensure that the consumer is calling the correct version of the RFC function module. If there are multiple versions, make sure the consumer is updated to call the latest version.
  
  
  Debugging: If the issue persists, consider debugging the RFC call to trace the parameters being sent and received. This can help identify where the mismatch is occurring.
  
  
  Related Information:
  
  Transaction Codes: Use SE37 to view and test function modules, and SE80 for more comprehensive development work.
  RFC Documentation: Review the documentation for the RFC function module to understand the expected parameters and their types.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific RFC function module you are using.
  SAP Community: Engage with the SAP Community forums for additional insights or similar issues faced by other users.
  
  By following these steps, you should be able to identify and resolve the SPXN187 error effectively.