How To Fix /SAPAPO/CIF_ERRHDLG602 - Registration of RFC &1 of &2 for the LUW with ID &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CIF_ERRHDLG -

• Message number: 602

• Message text: Registration of RFC &1 of &2 for the LUW with ID &3

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CIF_ERRHDLG602 - Registration of RFC &1 of &2 for the LUW with ID &3 ?

  The SAP error message /SAPAPO/CIF_ERRHDLG602 typically indicates an issue with the registration of a Remote Function Call (RFC) in the context of the Core Interface (CIF) between SAP Advanced Planning and Optimization (APO) and SAP ERP systems. This error can occur during the transfer of data between these systems, particularly when there is a problem with the configuration or communication setup.
  Cause:
  
  RFC Connection Issues: The RFC connection between the SAP ERP and SAP APO systems may not be properly configured or may be down.
  Authorization Problems: The user credentials used for the RFC connection may not have the necessary authorizations to perform the required operations.
  Network Issues: There may be network connectivity problems preventing the systems from communicating.
  Data Consistency Issues: There may be inconsistencies in the data being transferred, which can lead to registration failures.
  System Configuration: Incorrect settings in the CIF configuration or in the relevant master data can also lead to this error.
  
  Solution:
  
  
  Check RFC Connection:
  
  Go to transaction SM59 in the SAP GUI and verify the RFC destination settings for the connection between the systems.
  Test the connection to ensure it is working properly.
  
  
  
  Review Authorizations:
  
  Ensure that the user ID used for the RFC connection has the necessary authorizations in both the SAP ERP and SAP APO systems.
  
  
  
  Network Troubleshooting:
  
  Check for any network issues that might be affecting the communication between the systems. This can include firewall settings, VPN issues, or other network configurations.
  
  
  
  Data Consistency Check:
  
  Review the data being transferred for any inconsistencies or errors. This may involve checking master data, transaction data, or any other relevant information.
  
  
  
  CIF Configuration Review:
  
  Go to transaction CIF in the SAP GUI and review the CIF configuration settings. Ensure that all necessary settings are correctly configured.
  
  
  
  Check Logs:
  
  Review the CIF logs for more detailed error messages that can provide additional context on the issue. You can find logs in transaction CIF under the "Log" section.
  
  
  
  System Restart:
  
  In some cases, restarting the SAP systems involved may help resolve temporary issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for CIF and RFC connections for best practices and configuration guidelines.
  Support: If the issue persists after following the above steps, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the /SAPAPO/CIF_ERRHDLG602 error message.