How To Fix PEP052 - You cannot change task lists in the SAP name range

PEP052 - Overview

• Message type: E = Error

• Message class: PEP - Schedule Manager: Messages

• Message number: 052

• Message text: You cannot change task lists in the SAP name range

What causes this issue?

Task lists that begin with a number cannot be changed.

How to fix this error?

Use the Task list --> Save as... function to create a copy of the SAP
task list in your name space. You can then edit this copy.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PEP052 - You cannot change task lists in the SAP name range ?

  The SAP error message PEP052, which states "You cannot change task lists in the SAP name range," typically occurs when you attempt to modify a task list that is part of the SAP standard or is locked for changes. This is a common issue in SAP systems, particularly in the context of production planning and control.
  
  Cause:
  
  SAP Standard Task Lists: The task list you are trying to modify is part of the SAP standard and is not intended to be changed by users. SAP provides standard task lists that are meant to be used as templates.
  Authorization Issues: You may not have the necessary authorizations to make changes to the task list.
  Task List Status: The task list may be in a status that does not allow changes (e.g., it may be locked or released).
  Name Range Restrictions: The task list falls within a specific name range that is reserved for SAP standard objects.
  
  
  Solution:
  
  Create