How To Fix WXCM015 - Subtree unchanged under the anchor

WXCM015 - Overview

• Message type: E = Error

• Message class: WXCM - Messages for Package CM_MAP

• Message number: 015

• Message text: Subtree unchanged under the anchor

Self-Explanatory Message

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• What is the cause and solution for SAP error message WXCM015 - Subtree unchanged under the anchor ?

  SAP Error Message:
  WXCM015 Subtree unchanged under the anchor
  
  Cause
  This error occurs in the Web Dynpro ABAP environment when you attempt to modify or update a UI element subtree that is anchored to a certain node or container, but the framework detects that the subtree has not changed. Essentially, the system expects a change in the UI element hierarchy or properties under the anchor point, but no actual change has been made.
  Common scenarios causing this error include:
  
  Trying to rebind or refresh a UI element subtree without any actual changes.
  Attempting to replace or update a UI component subtree with the same content or structure.
  Incorrect handling of UI element references or anchors in the Web Dynpro component controller or view controller.
  
  
  Explanation
  In Web Dynpro, UI elements are organized in a hierarchical tree structure. When you anchor a subtree (a group of UI elements) to a parent node, the framework tracks changes to optimize rendering and