How To Fix CPWB126 - Switch to change status of superior object not possible

CPWB126 - Overview

• Message type: E = Error

• Message class: CPWB - General Workbench Messages

• Message number: 126

• Message text: Switch to change status of superior object not possible

What causes this issue?

You want to use the validity period of the change status of a superior
object as the validity window, instead of the selection period.
However, to do this you first need to select one such change status.

System Response

The selection period is still used as the validity window.

How to fix this error?

If you want to use the validity period of the change status of a
superior object as the validity window, proceed as follows:
Go to the overview for the superior object.
Select a change status.
Go back to the current overview.
Choose <LS>Extras -> Options</>.
Choose the radio button <ls>Change status</> on the <ls>Validity Window
</> tab page.

Error message extract from SAP system. Copyright SAP SE.

CPWB126 - Details

• The SAP error message CPWB126, which states "Switch to change status of superior object not possible," typically occurs in the context of project management or change management within SAP, particularly when dealing with project structures or change requests.
  
  Cause:
  This error usually arises due to one of the following reasons:
  
  
  Status Restrictions: The superior object (like a project or a change request) may be in a status that does not allow changes. For example, if the superior object is locked or in a completed status, you may not be able to change its status.
  
  
  Dependencies: There may be dependencies or relationships with other objects that prevent the change. If the superior object has subordinate objects that are in a certain status, it may restrict the ability to change the status of the superior object.
  
  
  Authorization Issues: The user may not have the necessary authorizations to change the status of the superior object.
  
  
  Configuration Settings: There may