How To Fix CNV_LTHCM_G_10220 - RFC destination error in function module &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_LTHCM_G_10 - LT HCM: General Message Class

• Message number: 220

• Message text: RFC destination error in function module &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_LTHCM_G_10220 - RFC destination error in function module &1 ?

  The SAP error message CNV_LTHCM_G_10220 typically indicates an issue with the RFC (Remote Function Call) destination in a function module. This error is often encountered during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools.
  Cause:
  
  RFC Destination Configuration: The RFC destination may not be correctly configured. This could be due to incorrect connection parameters, such as the target system's hostname, system number, client, user credentials, or other connection settings.
  Network Issues: There may be network connectivity issues between the source and target systems, preventing the RFC call from being established.
  Authorization Issues: The user credentials used in the RFC destination may not have the necessary authorizations to execute the function module.
  Function Module Issues: The function module being called may not exist in the target system or may have been incorrectly defined.
  
  Solution:
  
  
  Check RFC Destination:
  
  Go to transaction SM59 in the SAP GUI.
  Locate the RFC destination that is causing the issue.
  Verify the connection parameters (target host, system number, client, user, password).
  Test the connection using the "Connection Test" button to ensure it is working correctly.
  
  
  
  Network Connectivity:
  
  Ensure that there are no firewall or network issues preventing communication between the systems.
  Use tools like ping or telnet to check connectivity to the target system.
  
  
  
  User Authorizations:
  
  Check the user credentials used in the RFC destination.
  Ensure that the user has the necessary authorizations to execute the function module in the target system.
  
  
  
  Function Module Verification:
  
  Ensure that the function module being called exists in the target system.
  Check if the function module is active and correctly implemented.
  
  
  
  Review Logs:
  
  Check the system logs (transaction SM21) and the application logs (transaction SLG1) for any additional error messages that may provide more context about the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP Notes or documentation related to the specific function module or the data migration process you are using for any known issues or additional troubleshooting steps.
  
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation for the specific tools or modules you are using for data migration or transformation.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_LTHCM_G_10220 RFC destination error.