How To Fix DIWP1153 - Change in task list (hierarchy) reference

DIWP1153 - Overview

• Message type: E = Error

• Message class: DIWP1 - Revision Planning

• Message number: 153

• Message text: Change in task list (hierarchy) reference

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message DIWP1153 - Change in task list (hierarchy) reference ?

  The SAP error message DIWP1153, which states "Change in task list (hierarchy) reference," typically occurs in the context of SAP's Project System (PS) or when dealing with task lists in the context of production planning or maintenance. This error indicates that there has been a change in the hierarchy of the task list that is being referenced, which can lead to inconsistencies or issues in processing.
  Causes:
  
  Hierarchy Changes: The most common cause is that the hierarchy of the task list has been modified. This could involve adding, removing, or changing the structure of tasks within the task list.
  Data Inconsistency: If there are inconsistencies in the data, such as references to tasks that no longer exist or have been moved, this error can occur.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or modify the task list, leading to this error.
  System Updates: Changes made during system updates or