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

XC016 - Overview

• 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.

XC016 - Details

• 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