How To Fix CNVMBTRFC027 - Function module &1 has finished with return code &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVMBTRFC - Messages used in RFC Management and its objects

• Message number: 027

• Message text: Function module &1 has finished with return code &2

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 CNVMBTRFC027 - Function module &1 has finished with return code &2 ?

  The SAP error message CNVMBTRFC027 indicates that a function module has finished execution with a return code that is not zero, which typically signifies that an error occurred during the execution of that function module. This error is often encountered in the context of data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or other data migration tools.
  Cause:
  
  
  Function Module Error: The function module specified in the error message encountered an issue during its execution. This could be due to various reasons such as:
  
  Incorrect input parameters.
  Missing or inconsistent data in the source or target systems.
  Authorization issues preventing the function module from executing properly.
  System resource issues (e.g., memory, locks).
  
  
  
  Return Code: The return code (&2 in the message) provides specific information about the nature of the error. Different return codes correspond to different types of errors, and you would need to check the documentation or the function module's source code to understand what the specific return code means.
  
  
  Solution:
  
  
  Check the Return Code: Investigate the specific return code provided in the error message. You can look up the return code in the SAP documentation or in the function module's code to understand the exact issue.
  
  
  Review Input Parameters: Ensure that the input parameters being passed to the function module are correct and valid. Check for any missing or incorrect data.
  
  
  Check Data Consistency: Verify that the data in both the source and target systems is consistent and meets the requirements of the function module.
  
  
  Authorization Check: Ensure that the user executing the function module has the necessary authorizations to perform the operation.
  
  
  System Resources: Check for any system resource issues, such as memory or locks, that might be affecting the execution of the function module.
  
  
  Debugging: If you have access to the system, you can debug the function module to identify the exact point of failure and gather more information about the error.
  
  
  Consult Logs: Review the application logs (transaction SLG1) or the system logs (transaction SM21) for any additional error messages or warnings that might provide more context.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that might address known issues related to the function module or the error message.
  
  
  Related Information:
  
  Function Module Documentation: Look up the specific function module in the SAP system to understand its purpose and requirements.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the CNVMBTRFC027 error message.