How To Fix WFD_WP1_MSG038 - New worker persistency switch or feature toggle is not activated.

WFD_WP1_MSG038 - Overview

• Message type: E = Error

• Message class: WFD_WP1_MSG - Message Class for Worker Integration WP1

• Message number: 038

• Message text: New worker persistency switch or feature toggle is not activated.

Self-Explanatory Message

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WFD_WP1_MSG038 - Details

• SAP Error Message:
  WFD_WP1_MSG038 New worker persistency switch or feature toggle is not activated.
  
  
  Cause:
  This error occurs because a new feature toggle or switch related to worker persistency in SAP Workflow Management (WFM) or SAP Workflow Foundation (WFD) is not activated in the system. The system expects this feature toggle to be enabled to proceed with certain workflow operations, especially those involving worker assignment persistency or enhanced worker determination logic.
  In other words, the workflow runtime or configuration is trying to use a new persistency mechanism for workflow workers, but the corresponding feature toggle (a switch controlling the activation of new functionality) is still inactive.
  
  Explanation / Background:
  
  Worker persistency refers to the mechanism that ensures the same workflow agent (worker) is consistently assigned to a workflow task instance or across multiple instances, improving task handling consistency.
  SAP often introduces new features behind feature toggles (switches) to allow controlled activation.
  If the workflow or custom code expects