How To Fix /SCWM/LM_EWRKL091 - External step &1 cannot be used for preparation EWLs; no EWL created

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/LM_EWRKL -

• Message number: 091

• Message text: External step &1 cannot be used for preparation EWLs; no EWL created

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/LM_EWRKL091 - External step &1 cannot be used for preparation EWLs; no EWL created ?

  The SAP error message /SCWM/LM_EWRKL091 indicates that an external step cannot be used for the preparation of External Warehouse Logistics (EWLs), and as a result, no EWL has been created. This error typically occurs in the context of warehouse management processes, particularly when dealing with external steps in the logistics execution process.
  Cause:
  The error can be caused by several factors, including:
  
  
  Configuration Issues: The external step may not be properly configured in the system. This could involve missing or incorrect settings in the warehouse management configuration.
  
  
  Step Compatibility: The external step being used may not be compatible with the preparation of EWLs. Certain steps may be designated for specific processes and may not support EWL creation.
  
  
  Missing Master Data: Required master data (such as warehouse tasks, handling units, or other relevant data) may be missing or incorrectly set up, preventing the system from creating EWLs.
  
  
  Authorization Issues: The user executing the process may not have the necessary authorizations to perform actions related to the external step.
  
  
  System Bugs or Limitations: There may be bugs or limitations in the version of SAP you are using that affect the functionality of external steps.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration: Review the configuration settings for the external step in the SAP system. Ensure that it is set up correctly for use with EWLs.
  
  
  Verify Step Compatibility: Confirm that the external step you are trying to use is indeed compatible with the preparation of EWLs. Consult the SAP documentation or your system administrator for guidance.
  
  
  Review Master Data: Ensure that all necessary master data is available and correctly configured. This includes checking for the existence of relevant warehouse tasks and handling units.
  
  
  Check Authorizations: Verify that the user has the appropriate authorizations to execute the process involving the external step. If necessary, consult with your security administrator to adjust user roles.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error. There may be known issues or updates that can resolve the problem.
  
  
  Testing: After making any changes, perform tests to ensure that the error no longer occurs and that EWLs can be created successfully.
  
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on warehouse management and external steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Support Tickets: If the issue persists, consider opening a support ticket with SAP for further assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.