How To Fix /SCWM/MFS068 - Function module for sending telegrams is missing for PLC &1 (&2)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MFS -

• Message number: 068

• Message text: Function module for sending telegrams is missing for PLC &1 (&2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MFS068 - Function module for sending telegrams is missing for PLC &1 (&2) ?

  The SAP error message /SCWM/MFS068 Function module for sending telegrams is missing for PLC &1 (&2) typically occurs in the context of the SAP Extended Warehouse Management (EWM) system when there is an issue with the integration between SAP EWM and the Material Flow System (MFS) that communicates with a Programmable Logic Controller (PLC).
  Cause:
  
  
  Missing Function Module: The error indicates that a required function module for sending telegrams to the specified PLC is not available in the system. This could be due to:
  
  The function module not being implemented or activated.
  Incorrect configuration or missing entries in the system.
  The PLC specified in the error message does not have a corresponding function module defined in the system.
  
  
  
  Configuration Issues: There may be issues with the configuration settings for the MFS or the PLC in the SAP system.
  
  
  Transport Issues: If the system was recently upgraded or transported, the necessary function modules may not have been included or activated.
  
  
  Solution:
  
  
  Check Function Module: 
  
  Go to transaction SE37 (Function Module) and check if the function module for the specified PLC exists. The function module name is usually derived from the PLC configuration.
  If it does not exist, you may need to create it or implement the necessary logic.
  
  
  
  Configuration Review:
  
  Review the MFS configuration in the SAP EWM system. Ensure that the PLC is correctly configured and that all necessary settings are in place.
  Check the settings in transaction /SCWM/MFS to ensure that the PLC is properly defined and linked to the correct function module.
  
  
  
  Check for Notes and Updates:
  
  Look for SAP Notes or updates related to MFS and PLC integration. There may be specific notes that address this issue or provide guidance on how to resolve it.
  
  
  
  Consult Documentation: 
  
  Review the SAP documentation for MFS and PLC integration to ensure that all steps have been followed correctly.
  
  
  
  Testing: 
  
  After making changes, test the communication with the PLC to ensure that the function module is now being called correctly and that telegrams can be sent.
  
  
  
  Contact SAP Support: 
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SCWM/MFS for MFS configuration and SE37 for function module management.
  SAP Notes: Regularly check the SAP Support Portal for any relevant notes that may address known issues or provide patches.
  Documentation: Review the SAP Help Portal for detailed documentation on MFS and PLC integration, including best practices and troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.