How To Fix WK021 - Substitution ended

WK021 - Overview

• Message type: E = Error

• Message class: WK - BPT: Messages integr. inbox

• Message number: 021

• Message text: Substitution ended

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

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Smart SAP Assistant

• What is the cause and solution for SAP error message WK021 - Substitution ended ?

  Certainly! Here's a detailed explanation regarding the SAP error message WK021 - Substitution ended:
  
  SAP Error Message: WK021 - Substitution ended
  Message Text:
  Substitution ended
  
  Cause
  The message WK021 occurs during workflow processing in SAP when a substitution rule has been executed and the substitution process has ended. This message is informational and indicates that the system has completed the substitution of an agent (user) in a workflow step.
  In SAP Workflow, substitution is a mechanism that allows one user to act on behalf of another user, typically when the original user is unavailable (e.g., on leave). The system checks substitution rules to find an alternate agent to process a workflow task.
  The message WK021 is triggered when the substitution logic finishes its execution, either because:
  
  A valid substitute user was found and assigned.
  No substitute was found, and the substitution process ended without assignment.
  The substitution rule logic has completed its evaluation.
  
  This message is often logged in the workflow