How To Fix KW644 - The structure assignment for the marked objects was revoked

KW644 - Overview

• Message type: E = Error

• Message class: KW - CO-ABC Activity-Based Costing

• Message number: 644

• Message text: The structure assignment for the marked objects was revoked

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.

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KW644 - Details

• The SAP error message KW644, which states "The structure assignment for the marked objects was revoked," typically occurs in the context of SAP's classification system, particularly when dealing with characteristics and classes in the Classification System (LO-CL).
  
  Cause:
  This error usually arises when there is an inconsistency or a problem with the assignment of characteristics to classes or objects. Some common causes include:
  
  Changes in Class Structure: If the structure of a class has been modified (e.g., characteristics were removed or changed), it can lead to this error for objects that were previously assigned to that class.
  Deletion of Characteristics: If a characteristic that was previously assigned to an object is deleted or made inactive, it can cause this error.
  Inconsistent Data: If there are inconsistencies in the data or if the object is not properly linked to the class or characteristics, this error may occur.
  Transport Issues: If changes were transported from one system to