How To Fix /SAPPO/ACR102 - &1: RFC dialog &2 refers to system &3, however, it must refer to &4

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPPO/ACR -

• Message number: 102

• Message text: &1: RFC dialog &2 refers to system &3, however, it must refer to &4

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPPO/ACR102 - &1: RFC dialog &2 refers to system &3, however, it must refer to &4 ?

  The SAP error message /SAPPO/ACR102 indicates a mismatch in the RFC (Remote Function Call) dialog configuration. Specifically, it suggests that the RFC dialog is referring to an incorrect system. The message format is as follows:
  /SAPPO/ACR102 &1: RFC dialog &2 refers to system &3, however, it must refer to &4.
  Cause:
  This error typically occurs when there is a configuration issue in the RFC destination settings. The RFC dialog (&2) is trying to connect to a system (&3) that is not the expected system (&4). This can happen due to:
  
  Incorrect configuration of the RFC destination in the SAP system.
  Changes in the system landscape that have not been updated in the RFC settings.
  Misalignment between the expected and actual system identifiers.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check RFC Destination Configuration:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that corresponds to the dialog mentioned in the error message (&2).
  Verify the target system settings and ensure that it points to the correct system (&4).
  
  
  
  Update the RFC Destination:
  
  If the RFC destination is pointing to the wrong system (&3), update it to point to the correct system (&4).
  Ensure that the connection parameters (like the application server, system number, client, etc.) are correctly configured.
  
  
  
  Test the RFC Connection:
  
  After making changes, use the "Test Connection" feature in SM59 to ensure that the RFC destination is working correctly.
  
  
  
  Check for System Changes:
  
  If there have been recent changes in the system landscape (like system migrations, changes in system IDs, etc.), ensure that all relevant RFC destinations are updated accordingly.
  
  
  
  Consult Documentation:
  
  If the issue persists, refer to SAP documentation or consult with your SAP Basis team for further troubleshooting.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: Manage RFC destinations.
  SICF: Check and manage HTTP services.
  ST22: Analyze dumps if the error is causing system dumps.
  
  
  
  SAP Notes:
  
  Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  
  
  System Logs:
  
  Review system logs (transaction SM21) for any additional error messages or warnings that might provide more context.
  
  
  
  By following these steps, you should be able to identify and correct the configuration issue causing the /SAPPO/ACR102 error message.