How To Fix /SCWM/MFS220 - PLC is blocked by exception &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MFS -

• Message number: 220

• Message text: PLC is blocked by exception &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 /SCWM/MFS220 - PLC is blocked by exception &1 ?

  The SAP error message /SCWM/MFS220 PLC is blocked by exception &1 typically occurs in the context of the SAP Extended Warehouse Management (EWM) system, particularly when dealing with the Material Flow System (MFS) integration. This error indicates that a particular Process Logic Controller (PLC) is blocked due to an exception, which can prevent the execution of certain warehouse processes.
  Causes:
  
  PLC Exception: The PLC may have encountered an error or exception that prevents it from processing further commands. This could be due to hardware issues, communication problems, or configuration errors.
  Configuration Issues: Incorrect settings in the MFS configuration or in the integration between SAP EWM and the PLC can lead to this error.
  System Errors: General system errors or issues with the underlying infrastructure (e.g., network issues, server downtime) can also cause the PLC to be blocked.
  Resource Availability: If the resources required for the PLC operation (like materials or equipment) are not available, it may lead to a blockage.
  
  Solutions:
  
  Check PLC Status: Investigate the status of the PLC to identify the specific exception that is causing the blockage. This may involve checking logs or monitoring tools provided by the PLC vendor.
  Resolve Exceptions: Address the specific exception indicated by the error message. This may involve troubleshooting hardware issues, fixing communication problems, or correcting configuration settings.
  Review MFS Configuration: Ensure that the MFS configuration in SAP EWM is correctly set up. This includes checking the integration settings between SAP and the PLC.
  Restart PLC: In some cases, restarting the PLC or the associated systems may resolve temporary issues.
  Consult Documentation: Refer to the SAP documentation or the documentation provided by the PLC vendor for specific troubleshooting steps related to the exception.
  Contact Support: If the issue persists, consider reaching out to SAP support or the PLC vendor for further assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error.
  System Logs: Review system logs in SAP EWM and the PLC for additional context on the error.
  Training and Documentation: Ensure that users and administrators are trained on the MFS and PLC operations to minimize the risk of configuration errors.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the /SCWM/MFS220 PLC is blocked by exception &1 error message.