How To Fix /PLMI/PPE4158 - Change from &1 not possible due to existing header data

/PLMI/PPE4158 - Overview

• Message type: E = Error

• Message class: /PLMI/PPE4 -

• Message number: 158

• Message text: Change from &1 not possible due to existing header data

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMI/PPE4158 - Change from &1 not possible due to existing header data ?

  The SAP error message /PLMI/PPE4158 Change from &1 not possible due to existing header data typically occurs in the context of SAP's Product Lifecycle Management (PLM) or Project Management modules. This error indicates that a change you are trying to make to a specific item (denoted by &1) cannot be completed because there is existing header data that conflicts with the change.
  
  Cause:
  
  
  Existing Header Data: The most common cause of this error is that there is already existing header data associated with the item you are trying to change. This could be due to various reasons, such as:
  
  The item is part of a project or document that has already been finalized or locked.
  There are dependencies or relationships with other items that prevent changes.
  The item is in a status that does not allow modifications.
  
  
  
  Status Restrictions: The item may be in a status that restricts changes. For example, if the item is marked