How To Fix WF055 - Agent has changed

SAP Error Message - Details

• Message type: E = Error

• Message class: WF - Workflow: messages

• Message number: 055

• Message text: Agent has changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WF055 - Agent has changed ?

  Certainly! Here's a detailed explanation regarding the SAP error message WF055: Agent has changed:
  
  SAP Error Message: WF055 - Agent has changed
  
  Cause:
  The error message WF055 - Agent has changed typically occurs in SAP Workflow when the agent (person or role responsible for a workflow step) assigned to a task has been changed after the workflow step was created or before it was processed.
  This situation arises because the workflow runtime expects the agent to be the same as when the task was created. If the agent assignment changes (for example, due to organizational changes, role reassignments, or manual intervention), the system detects this discrepancy and throws the WF055 error to prevent inconsistencies in task processing.
  
  When does it occur?
  
  When a workflow task is created with a specific agent.
  Before the task is processed, the agent assignment is changed (e.g., via HR master data changes, role changes, or manual reassignment).
  The workflow runtime checks the agent and finds it different from the original one.
  The system raises the WF055 error to indicate the agent has changed.
  
  
  Solution:
  To resolve the WF055 error, consider the following approaches:
  
  
  Reassign the Task Manually:
  
  Go to the workflow inbox or transaction SBWP or SWI1.
  Find the task with the error.
  Reassign the task to the correct agent manually.
  This allows the workflow to continue with the updated agent.
  
  
  
  Restart or Reset the Workflow Step:
  
  Sometimes, restarting the workflow step or the entire workflow instance can help.
  Use transaction SWUS to restart the workflow step.
  This will recreate the task with the current agent.
  
  
  
  Check Agent Determination Logic:
  
  Review the agent assignment rules in the workflow definition.
  Ensure that the agent determination is stable and does not change unexpectedly during workflow execution.
  If necessary, adjust the agent determination method or fix master data inconsistencies.
  
  
  
  Update Organizational Data:
  
  If the agent change is due to organizational changes (e.g., position changes, role changes), ensure that the workflow is designed to handle such changes gracefully.
  Consider using substitution rules or alternative agents in the workflow design.
  
  
  
  Use SAP Notes and Support:
  
  Check for relevant SAP Notes that might address this issue or provide patches.
  Sometimes, specific versions or patches fix known workflow agent assignment issues.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SWI1 - Workflow log: To analyze workflow errors and steps.
  SBWP - SAP Business Workplace: To view and manage workflow tasks.
  SWUS - Restart workflow step.
  PFTC - Workflow task maintenance.
  SWDD - Workflow Builder: To check agent assignment logic.
  
  
  
  SAP Help and Documentation:
  
  SAP Workflow documentation on agent assignment and error handling.
  SAP Community forums and OSS Notes for similar issues.
  
  
  
  Common Scenarios:
  
  HR organizational changes affecting workflow agents.
  Role or user master data changes during workflow execution.
  Manual reassignment of tasks outside the workflow.
  
  
  
  
  Summary:
  
  
  
  Aspect
  Details
  
  
  
  
  Error
  WF055 - Agent has changed
  
  
  Cause
  The agent assigned to a workflow task has changed after task creation, causing mismatch.
  
  
  Effect
  Workflow step cannot proceed due to agent inconsistency.
  
  
  Solution
  Manually reassign task, restart workflow step, fix agent determination logic, or update org data.
  
  
  Tools
  SWI1, SBWP, SWUS, SWDD, PFTC
  
  
  
  
  If you need help with a specific workflow or scenario, please provide more details about the workflow type, task, and agent assignment method.