How To Fix GS128 - Group &1 cannot be included in the standard hierarchy

GS128 - Overview

• Message type: E = Error

• Message class: GS - Sets

• Message number: 128

• Message text: Group &1 cannot be included in the standard hierarchy

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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Smart SAP Assistant

• What is the cause and solution for SAP error message GS128 - Group &1 cannot be included in the standard hierarchy ?

  The SAP error message GS128, which states "Group &1 cannot be included in the standard hierarchy," typically occurs in the context of SAP's controlling (CO) module, particularly when dealing with cost centers, profit centers, or internal orders. This error indicates that the specified group (in this case, represented by &1) cannot be included in the standard hierarchy due to certain constraints or conditions.
  Causes of GS128 Error
  
  
  Group Type Restrictions: The group you are trying to include may not be of the correct type. For example, if you are trying to include a group that is not defined as a standard hierarchy group, this error will occur.
  
  
  Hierarchy Structure Issues: The group may already be part of another hierarchy or may not be properly defined in the system.
  
  
  Missing Authorizations: The user may not have the necessary authorizations to include the group in the standard hierarchy.
  
  
  Incorrect Configuration: There may be configuration issues in the