How To Fix /SCWM/WMEBASICS034 - Internal step could not be determined for external step &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/WMEBASICS -

• Message number: 034

• Message text: Internal step could not be determined for external step &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/WMEBASICS034 - Internal step could not be determined for external step &1 ?

  The SAP error message /SCWM/WMEBASICS034 Internal step could not be determined for external step &1 typically occurs in the context of the Extended Warehouse Management (EWM) module. This error indicates that the system is unable to map an external step (like a process or action initiated by a user or system) to an internal step that is defined in the system.
  Causes:
  
  
  Configuration Issues: The mapping between external and internal steps may not be properly configured in the system. This could be due to missing or incorrect settings in the warehouse process types or the corresponding configuration in the EWM system.
  
  
  Missing Master Data: The necessary master data (like warehouse process types, handling units, etc.) may not be set up correctly or may be missing.
  
  
  Custom Development: If there are custom developments or enhancements in the EWM system, they may not be handling the external steps correctly.
  
  
  Version Compatibility: There may be compatibility issues between different versions of SAP EWM or between EWM and other SAP modules.
  
  
  Solutions:
  
  
  Check Configuration: Review the configuration settings for warehouse process types and ensure that all necessary mappings between external and internal steps are correctly defined. This can be done in the EWM customizing settings.
  
  
  Review Master Data: Ensure that all required master data is correctly set up. This includes checking the relevant warehouse process types, handling units, and any other related master data.
  
  
  Debugging: If you have access to debugging tools, you can trace the process to identify where the mapping fails. This may provide insights into what is missing or misconfigured.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of EWM you are using. There may be known issues or additional configuration steps required.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They may provide patches or additional guidance based on the specific circumstances of your implementation.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in EWM, such as /SCWM/PRDI for inbound processing or /SCWM/PRDO for outbound processing, to help navigate the system.
  SAP Notes: Search for SAP Notes related to this error message in the SAP Support Portal. There may be specific notes addressing this issue with recommended solutions or workarounds.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can share their solutions.
  
  By following these steps, you should be able to diagnose and resolve the error message /SCWM/WMEBASICS034 Internal step could not be determined for external step &1.