How To Fix /SCWM/LM_EWRKL138 - You are not authorized to use external process step &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/LM_EWRKL -

• Message number: 138

• Message text: You are not authorized to use external process step &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/LM_EWRKL138 - You are not authorized to use external process step &1 ?

  The SAP error message /SCWM/LM_EWRKL138 indicates that a user is not authorized to use a specific external process step in the Extended Warehouse Management (EWM) module. This error typically arises when a user attempts to execute a process that requires specific authorizations that they do not possess.
  Cause:
  
  Missing Authorizations: The user does not have the necessary authorizations assigned to their user profile to execute the external process step indicated by &1.
  Role Configuration: The roles assigned to the user may not include the necessary permissions for the external process step.
  Custom Authorization Objects: If the system uses custom authorization objects, the user may not have the required access to those objects.
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after encountering the error to see which authorization checks failed.
  Review the authorization logs to identify missing authorizations.
  
  
  
  Assign Required Roles:
  
  Work with your SAP security team to ensure that the user has the appropriate roles assigned that include the necessary authorizations for the external process step.
  If the user needs to perform specific tasks, ensure that the roles are updated accordingly.
  
  
  
  Modify Authorization Objects:
  
  If custom authorization objects are in use, ensure that the user has the necessary access rights to those objects.
  This may involve modifying existing roles or creating new ones to include the required authorizations.
  
  
  
  Testing:
  
  After making changes to the user’s roles or authorizations, have the user log out and log back in to test if the issue is resolved.
  
  
  
  Documentation:
  
  Document any changes made to user roles and authorizations for future reference and compliance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SU01 (User Maintenance) to manage user profiles.
  PFCG (Role Maintenance) to manage roles and authorizations.
  SU53 (Authorization Check) to analyze authorization failures.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error message.
  
  
  EWM Documentation: Review the SAP EWM documentation for details on external process steps and the required authorizations.
  
  
  If the issue persists after following these steps, it may be necessary to consult with SAP support or your internal SAP Basis team for further assistance.