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

SAP Error Message - Details

• 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

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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 controlling area or the hierarchy settings that prevent the inclusion of the group.
  
  
  Inactive Group: The group might be inactive or not properly set up in the system.
  
  
  Solutions to GS128 Error
  
  
  Check Group Type: Ensure that the group you are trying to include is of the correct type and is defined as a standard hierarchy group.
  
  
  Review Hierarchy Structure: Verify the hierarchy structure to ensure that the group is not already part of another hierarchy. You can do this by checking the existing hierarchies in the system.
  
  
  Authorization Check: Ensure that the user has the necessary authorizations to make changes to the standard hierarchy. You may need to consult with your SAP security team.
  
  
  Configuration Review: Review the configuration settings in the controlling area to ensure that everything is set up correctly. This may involve checking the settings for the standard hierarchy and the groups involved.
  
  
  Activate Group: If the group is inactive, you may need to activate it or ensure it is properly set up in the system.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error and the context in which it occurs.
  
  
  Related Information
  
  
  Transaction Codes: You may use transaction codes like OKT2 (for maintaining standard hierarchy) or KSH1 (for creating cost centers) to manage groups and hierarchies.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional insights or solutions.
  
  
  Community Forums: Consider visiting SAP community forums or support channels where other users may have encountered and resolved similar issues.
  
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.