How To Fix /SCWM/MFS255 - Check whether WT for HU &1 can be sent to PLC

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/MFS -

• Message number: 255

• Message text: Check whether WT for HU &1 can be sent to PLC

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/MFS255 - Check whether WT for HU &1 can be sent to PLC ?

  The SAP error message /SCWM/MFS255 Check whether WT for HU &1 can be sent to PLC typically occurs in the context of the SAP Extended Warehouse Management (EWM) system when there is an issue with sending a Warehouse Task (WT) for a Handling Unit (HU) to a Programmable Logic Controller (PLC). This error can arise due to various reasons, and understanding the cause and potential solutions is essential for troubleshooting.
  Causes:
  
  
  Configuration Issues: The integration between SAP EWM and the PLC may not be properly configured. This includes settings related to communication protocols, message types, or the mapping of data between the two systems.
  
  
  Handling Unit Status: The status of the Handling Unit (HU) may not allow it to be processed. For example, if the HU is in a status that prevents it from being sent to the PLC (e.g., it is not fully packed or is in a blocked status).
  
  
  Warehouse Task Issues: The Warehouse Task (WT) associated with the HU may have issues, such as being incomplete or not meeting the criteria for sending to the PLC.
  
  
  Network or Communication Problems: There may be network issues or communication failures between the SAP system and the PLC, preventing the message from being sent.
  
  
  Missing Master Data: Required master data (like material master, handling unit master, etc.) may be missing or incorrectly configured.
  
  
  Solutions:
  
  
  Check Configuration: Review the configuration settings for the integration between SAP EWM and the PLC. Ensure that all necessary settings are correctly defined, including communication parameters and message types.
  
  
  Verify Handling Unit Status: Check the status of the Handling Unit (HU) in question. Ensure that it is in a state that allows it to be sent to the PLC. If necessary, change the status of the HU to allow processing.
  
  
  Review Warehouse Task: Investigate the Warehouse Task (WT) associated with the HU. Ensure that it is complete and meets all necessary criteria for sending to the PLC.
  
  
  Network and Communication Check: Ensure that there are no network issues or communication failures between the SAP system and the PLC. This may involve checking logs, network connections, and any middleware that may be involved.
  
  
  Master Data Verification: Ensure that all required master data is present and correctly configured. This includes checking the material master, handling unit master, and any other relevant data.
  
  
  Error Logs: Check the error logs in SAP for more detailed information about the error. This can provide insights into what specifically is causing the issue.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the error message for additional troubleshooting steps or known issues.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like /SCWM/PRDIAG to diagnose issues related to the integration or /SCWM/WT to manage warehouse tasks.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Integration Scenarios: Familiarize yourself with the specific integration scenario between SAP EWM and the PLC, as different setups may have unique requirements.
  
  By following these steps, you should be able to identify and resolve the issue related to the error message /SCWM/MFS255.