How To Fix /SCWM/MFS336 - Communication channel &1 &2 locked, halted or not synced

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MFS -

• Message number: 336

• Message text: Communication channel &1 &2 locked, halted or not synced

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MFS336 - Communication channel &1 &2 locked, halted or not synced ?

  The SAP error message /SCWM/MFS336 Communication channel &1 &2 locked, halted or not synced typically occurs in the context of the SAP Extended Warehouse Management (EWM) system, particularly when dealing with the integration of the Material Flow System (MFS). This error indicates that there is an issue with the communication channel between the EWM and the MFS, which can be caused by several factors.
  Causes:
  
  Locked Communication Channel: The communication channel may be locked due to a previous process that did not complete successfully.
  Halted Communication Channel: The channel may have been halted due to an error or manual intervention.
  Desynchronization: The communication channel may not be synchronized properly, which can happen if there are changes in the configuration or if the system was not restarted after changes were made.
  Network Issues: There may be network connectivity issues between the EWM and MFS systems.
  Configuration Errors: Incorrect configuration settings in either the EWM or MFS can lead to this error.
  
  Solutions:
  
  Unlock the Communication Channel: Check if the communication channel is locked and unlock it if necessary. This can usually be done through the SAP GUI or relevant transaction codes.
  Restart the Communication Channel: If the channel is halted, restart it. This can often resolve temporary issues.
  Check Synchronization: Ensure that the communication channel is properly synchronized. This may involve checking the configuration settings and ensuring that both systems are aligned.
  Review Logs: Check the application logs for any additional error messages or warnings that could provide more context about the issue.
  Network Check: Verify that there are no network issues affecting the communication between the EWM and MFS systems.
  Configuration Review: Review the configuration settings in both EWM and MFS to ensure they are correct and consistent.
  Consult Documentation: Refer to SAP documentation or notes related to MFS and EWM for any specific troubleshooting steps or known issues.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SCWM/MFS to access the MFS settings or /SCWM/PRD for production-related settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the error message /SCWM/MFS336 Communication channel &1 &2 locked, halted or not synced.