How To Fix SWL150 - Cannot apply substitute for &1; substitute is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: SWL - WF: New User Interface Messages in Workflow (Client)

• Message number: 150

• Message text: Cannot apply substitute for &1; substitute is invalid

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SWL150 - Cannot apply substitute for &1; substitute is invalid ?

  The SAP error message SWL150, which states "Cannot apply substitute for &1; substitute is invalid," typically occurs in the context of workflow management within SAP. This error indicates that the system is unable to apply a substitute for a user because the specified substitute is either not valid or not properly configured.
  Causes:
  
  Invalid Substitute Configuration: The substitute user may not be correctly set up in the system, or the user may not have the necessary authorizations.
  User Status: The substitute user might be inactive or locked in the system.
  Date Range Issues: The substitute may have been configured for a specific date range, and the current date may fall outside of that range.
  Organizational Structure Changes: Changes in the organizational structure or user assignments may lead to invalid substitutes.
  Workflow Settings: The workflow settings may not be correctly configured to recognize the substitute.
  
  Solutions:
  
  
  Check Substitute Configuration:
  
  Go to the transaction code SWUS (Substitution) to verify the substitute settings for the user in question.
  Ensure that the substitute is active and correctly assigned.
  
  
  
  Verify User Status:
  
  Check the status of the substitute user in transaction SU01 (User Maintenance). Ensure that the user is not locked or inactive.
  
  
  
  Review Date Ranges:
  
  Ensure that the substitute is set up for the correct date range. If the current date is outside the defined range, you may need to adjust the dates.
  
  
  
  Check Authorizations:
  
  Ensure that the substitute user has the necessary authorizations to perform the required actions in the workflow.
  
  
  
  Update Workflow Settings:
  
  If there have been changes in the organizational structure, ensure that the workflow settings are updated accordingly.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to workflow and substitution for any additional troubleshooting steps or known issues.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  SWUS: Manage Substitutes
  SU01: User Maintenance
  SWI1: Work Item Selection
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Workflow Administration: Familiarize yourself with workflow administration tools and settings in SAP to better manage substitutes and workflows.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or Workflow Administrator for further assistance.