How To Fix CNV_BASIS_UTILITIES021 - Error in check of RFC call

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_BASIS_UTILITIES - Basis utilities (application log etc. for MWB + CCW)

• Message number: 021

• Message text: Error in check of RFC call

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_BASIS_UTILITIES021 - Error in check of RFC call ?

  The SAP error message CNV_BASIS_UTILITIES021 indicates that there is an issue with the Remote Function Call (RFC) during a process, typically related to data migration or conversion activities. This error can occur in various scenarios, especially during system upgrades, data migrations, or when using specific SAP tools like the SAP S/4HANA Migration Cockpit.
  Causes:
  
  RFC Destination Issues: The RFC destination may not be correctly configured or may be pointing to an incorrect system.
  Network Issues: There could be network connectivity problems between the systems involved in the RFC call.
  Authorization Problems: The user executing the RFC call may not have the necessary authorizations to perform the action.
  System Configuration: There may be inconsistencies in the system configuration or missing components that are required for the RFC call to succeed.
  Function Module Issues: The function module being called may not exist, may be incorrectly implemented, or may have been deactivated.
  
  Solutions:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 and verify the configuration of the RFC destination. Ensure that it is correctly set up and that the target system is reachable.
  Test the connection to ensure that it is working properly.
  
  
  
  Network Connectivity:
  
  Check for any network issues that may be preventing the RFC call from being executed. This can include firewall settings, VPN issues, or other network configurations.
  
  
  
  User Authorizations:
  
  Ensure that the user executing the RFC call has the necessary authorizations. You can check this in transaction SU01 or by consulting with your security team.
  
  
  
  Check Function Module:
  
  Verify that the function module being called exists and is active. You can check this in transaction SE37 or SE80.
  If the function module is custom, ensure that it has been properly developed and activated.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the developer trace (transaction ST22) for any additional error messages that may provide more context about the issue.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide guidance on similar issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM59: RFC Destinations
  SE37: Function Module
  ST22: Dump Analysis
  SM21: System Log
  SU01: User Maintenance
  
  
  
  SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support with detailed information about the error, including the context in which it occurred, any relevant logs, and the steps you have already taken to troubleshoot.
  
  
  By following these steps, you should be able to identify and resolve the underlying cause of the CNV_BASIS_UTILITIES021 error.