How To Fix XC016 - Error calling function module &1 in system &2 : &3

SAP Error Message - Details

• Message type: E = Error

• Message class: XC - Message Class for Core Interface

• Message number: 016

• Message text: Error calling function module &1 in system &2 : &3

What causes this issue?

While executing the function module &V1& in the system &V2&, the
following error occurred:
&V3&

System Response

The data transfer could not be completed properly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message XC016 - Error calling function module &1 in system &2 : &3 ?

  The SAP error message XC016 indicates that there was an issue when calling a function module in the SAP system. This error can occur for various reasons, and understanding the cause and potential solutions can help in troubleshooting the issue.
  Cause:
  
  Function Module Issues: The function module being called may not exist, may be incorrectly defined, or may have been deactivated.
  Authorization Issues: The user executing the function may not have the necessary authorizations to call the function module.
  System Configuration: There may be configuration issues in the system that prevent the function module from being executed properly.
  Network Issues: If the function module is being called in a remote system, network issues could prevent the call from being successful.
  Parameter Mismatch: The parameters being passed to the function module may not match the expected types or formats.
  
  Solution:
  
  Check Function Module: Verify that the function module exists in the system and is active. You can do this by using transaction SE37 (Function Builder) to check the status of the function module.
  Review Authorizations: Ensure that the user has the necessary authorizations to execute the function module. You can check this using transaction SU53 to analyze authorization failures.
  Check Configuration: Review the configuration settings related to the function module and ensure that everything is set up correctly.
  Network Connectivity: If the function module is being called in a different system, check the network connectivity and ensure that the remote system is accessible.
  Parameter Validation: Review the parameters being passed to the function module to ensure they are correct and in the expected format. You can do this by checking the function module documentation or using the function module in a test environment.
  Debugging: If the issue persists, consider debugging the code that calls the function module to identify where the failure occurs.
  
  Related Information:
  
  Transaction Codes: SE37 (Function Builder), SU53 (Authorization Check), ST22 (Dump Analysis), SM21 (System Log).
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Logs: Review system logs and short dumps (transaction ST22) for more detailed error messages that may provide additional context for the issue.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support or consult with a technical expert who can provide further assistance.