How To Fix SWL155 - No user specified

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 155

• Message text: No user specified

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 SWL155 - No user specified ?

  The SAP error message SWL155 "No user specified" typically occurs in the context of SAP Workflow. This error indicates that a workflow instance is trying to execute an action that requires a user to be specified, but no user has been assigned or defined for that action.
  Cause:
  
  Missing User Assignment: The workflow task requires a user to be assigned, but the user field is empty.
  Incorrect Workflow Configuration: The workflow may not be configured correctly, leading to the absence of a user assignment.
  User Deactivation: The user that was supposed to execute the task may have been deactivated or deleted.
  Authorization Issues: The user may not have the necessary authorizations to execute the workflow task.
  
  Solution:
  
  
  Check Workflow Configuration:
  
  Review the workflow definition to ensure that the user assignment is correctly configured. Make sure that the task is set up to assign a user or a group of users.
  
  
  
  Assign a User:
  
  If the workflow requires a specific user, ensure that a valid user is assigned to the task. This can be done in the workflow container or through the task settings.
  
  
  
  Review User Status:
  
  Check if the user who is supposed to execute the task is active. If the user has been deactivated, either reactivate the user or assign a different user.
  
  
  
  Check Authorization:
  
  Ensure that the user has the necessary authorizations to execute the workflow task. This may involve checking roles and profiles assigned to the user.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the workflow to identify where the user assignment is failing. Use transaction SWI1 to analyze the workflow instance and see the details of the task.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the workflow in question, as different workflows may have unique requirements.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWI1: Work Item Selection - to view and analyze work items.
  SWI2_FREQ: To monitor workflow instances.
  SWDD: Workflow Builder - to edit and configure workflows.
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error.
  
  
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered the same issue.
  
  
  By following these steps, you should be able to resolve the SWL155 error and ensure that the workflow can proceed as intended.