How To Fix ECATT342 - Error during a module call using RFC destination: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: ECATT - eCATT Messages (Middleware and GUI)

• Message number: 342

• Message text: Error during a module call using RFC destination: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ECATT342 - Error during a module call using RFC destination: &1 ?

  The SAP error message ECATT342 indicates that there was an error during a module call using a Remote Function Call (RFC) destination. This error typically occurs in the context of eCATT (extended Computer Aided Test Tool) when trying to execute a test script that involves calling a function module on a remote system.
  Causes:
  
  RFC Destination Issues: The specified RFC destination may not be correctly configured or may be pointing to an incorrect or unavailable system.
  Authorization Problems: The user executing the eCATT script may not have the necessary authorizations to call the function module on the remote system.
  Network Issues: There may be network connectivity problems between the systems involved.
  Function Module Errors: The function module being called may have its own issues, such as incorrect parameters or logic errors.
  System Configuration: The remote system may not be properly set up to accept RFC calls, or the necessary services may not be running.
  
  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 connection is working.
  Test the connection from the RFC destination screen to ensure it can reach the target system.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the eCATT script has the necessary authorizations to perform the RFC call. Check the roles and profiles assigned to the user.
  
  
  
  Network Connectivity:
  
  Check for any network issues that may be preventing communication between the systems. This can include firewall settings, VPN issues, or other network configurations.
  
  
  
  Function Module Validation:
  
  Validate the function module being called. Check if it is active and functioning correctly. You can test it directly in transaction SE37 or SE80 to ensure it works as expected.
  
  
  
  Check System Logs:
  
  Review the system logs (transaction SM21) and the developer trace (transaction ST22) for any additional error messages or information that could provide more context about the failure.
  
  
  
  Debugging:
  
  If necessary, you can debug the eCATT script to see where exactly the error occurs and gather more information about the parameters being passed.
  
  
  
  Related Information:
  
  eCATT Documentation: Review the official SAP documentation for eCATT to understand how to set up and troubleshoot test scripts.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to the ECATT342 error.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the ECATT342 error and implement a solution.