How To Fix /SPE/PO_CHANGE020 - Multiple APO RFC destinations cannot be maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: /SPE/PO_CHANGE -

• Message number: 020

• Message text: Multiple APO RFC destinations cannot be maintained

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SPE/PO_CHANGE020 - Multiple APO RFC destinations cannot be maintained ?

  The SAP error message /SPE/PO_CHANGE020 indicating "Multiple APO RFC destinations cannot be maintained" typically arises in the context of SAP Advanced Planning and Optimization (APO) when there are issues with the configuration of Remote Function Call (RFC) destinations. This error usually occurs when the system detects multiple RFC destinations for the same APO system, which can lead to confusion in communication between the systems.
  Cause:
  
  Multiple RFC Destinations: The primary cause of this error is the existence of multiple RFC destinations pointing to the same APO system. This can happen due to incorrect configuration or duplication of entries in the RFC destination settings.
  Configuration Issues: There may be inconsistencies in the configuration of the APO system or the SAP ERP system that is trying to communicate with it.
  Transport Issues: If changes were transported from one system to another, it might have led to the creation of duplicate RFC destinations.
  
  Solution:
  
  
  Check RFC Destinations:
  
  Go to transaction code SM59 in the SAP GUI.
  Look for the RFC destinations related to your APO system.
  Identify any duplicates or unnecessary entries that point to the same APO system.
  
  
  
  Delete or Adjust Duplicates:
  
  If you find multiple RFC destinations for the same APO system, delete or adjust them to ensure that only one valid RFC destination exists.
  Ensure that the remaining RFC destination is correctly configured with the right connection parameters.
  
  
  
  Review Configuration:
  
  Check the configuration settings in both the SAP ERP and APO systems to ensure they are correctly set up for communication.
  Verify that the logical system names and client settings are consistent across both systems.
  
  
  
  Transport Management:
  
  If the issue arose after a transport, review the transport logs to identify any changes that might have led to the duplication.
  Correct any inconsistencies that may have been introduced during the transport process.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the RFC connection to ensure that it is functioning correctly.
  Use transaction SM59 to test the connection and confirm that it connects successfully without errors.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for detailed guidance on configuring RFC destinations and troubleshooting communication issues.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to resolve the /SPE/PO_CHANGE020 error and ensure proper communication between your SAP systems.