How To Fix PPEENG154 - Class &1/&2 is still used in iPPE

PPEENG154 - Overview

• Message type: E = Error

• Message class: PPEENG - iPPE Engine Messages

• Message number: 154

• Message text: Class &1/&2 is still used in iPPE

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 PPEENG154 - Class &1/&2 is still used in iPPE ?

  The SAP error message PPEENG154 indicates that a class (specifically a class type and class name) is still being used in the Integrated Product and Process Engineering (iPPE) environment. This typically occurs when you attempt to delete or modify a class that is still referenced in various iPPE objects, such as characteristics, classes, or other related structures.
  
  Cause:
  The error is caused by the following scenarios:
  
  Active References: The class you are trying to delete or modify is still actively referenced in iPPE objects.
  Dependencies: There are dependencies in the iPPE model that rely on the class, making it impossible to remove or change without first addressing these dependencies.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify References:
  
  Use transaction codes like CL02 (Display Class) or CL03 (Display Class with Hierarchy) to check where the class is being used.
  You can also use the iPPE-specific transactions to find out which iPPE objects are linked to the