How To Fix XM023 - Unknown interface &2 (function &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: XM - XMI interface and SMAPIS messages to XMI log

• Message number: 023

• Message text: Unknown interface &2 (function &1)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message XM023 - Unknown interface &2 (function &1) ?

  The SAP error message XM023 "Unknown interface &2 (function &1)" typically indicates that the system is trying to call a function module or interface that is not recognized or does not exist in the system. This can occur in various scenarios, such as when there is a typo in the function name, the function module has not been activated, or the interface has not been properly defined.
  Causes:
  
  Typographical Error: There may be a typo in the function name or interface name being called.
  Missing Function Module: The function module may not exist in the system, possibly due to missing transport requests or incorrect installation.
  Inactive Function Module: The function module might exist but is not activated.
  Authorization Issues: The user may not have the necessary authorizations to access the function module or interface.
  Namespace Issues: The function module might be in a different namespace that is not accessible from the current context.
  
  Solutions:
  
  Check Function Name: Verify that the function name and interface name are spelled correctly in the code.
  Check Existence: Use transaction SE37 (for function modules) or SE80 (for interfaces) to check if the function module or interface exists in the system.
  Activate Function Module: If the function module exists but is inactive, activate it using transaction SE37.
  Check Authorizations: Ensure that the user has the necessary authorizations to execute the function module or interface.
  Review Transport Requests: If the function module was recently transported, ensure that the transport request was successfully imported into the system.
  Debugging: If the error occurs during runtime, consider using the debugger to trace the execution and identify where the call is failing.
  
  Related Information:
  
  Transaction Codes: 
  
  SE37: Function Module
  SE80: Object Navigator
  SE11: Data Dictionary (to check related tables)
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific function module or interface.
  Documentation: Review the documentation for the specific function module or interface to understand its purpose and usage.
  
  If the issue persists after checking the above points, it may be helpful to consult with your SAP Basis team or reach out to SAP support for further assistance.