How To Fix GRPG018 - WBS element & is already designated a grouping WBS element

SAP Error Message - Details

• Message type: E = Error

• Message class: GRPG - Grouping/Pegging for Individual Project Planning

• Message number: 018

• Message text: WBS element & is already designated a grouping WBS element

What causes this issue?

You want to specify WBS element &v2& as a grouping WBS element. WBS
element &V1& has already been declared to be the grouping element for
this project. Since the <ls>automatic requirements grouping</>
indicator has been set in the project definition, only one grouping WBS
element is allowed.

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

Check your entries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GRPG018 - WBS element & is already designated a grouping WBS element ?

  The SAP error message GRPG018 indicates that the Work Breakdown Structure (WBS) element you are trying to use is already designated as a grouping WBS element. This typically occurs when you attempt to assign a WBS element that has already been set up to group other WBS elements, which is not allowed in SAP.
  Cause:
  
  WBS Element Already Grouping: The WBS element you are trying to assign is already being used as a grouping element for other WBS elements.
  Incorrect Assignment: You may be trying to assign a WBS element in a context where it is not permitted, such as trying to create a new grouping structure with an existing grouping WBS element.
  
  Solution:
  
  Check WBS Element Status: Verify the status of the WBS element in question. You can do this by navigating to the WBS element in the SAP system and checking its properties to see if it is marked as a grouping element.
  Use a Different WBS Element: If the WBS element is already designated as a grouping element, you will need to select a different WBS element that is not currently being used as a grouping element.
  Change the Designation: If you need to change the designation of the WBS element, you can do so by navigating to the WBS element in the project structure and modifying its properties. However, be cautious with this approach, as it may affect other projects or structures that rely on this grouping.
  Consult Documentation: Review the SAP documentation or help files related to WBS elements and grouping structures for more detailed guidance on how to manage WBS elements effectively.
  
  Related Information:
  
  WBS Structure: Understanding the hierarchy and structure of WBS elements is crucial. Grouping WBS elements are used to aggregate costs and activities for reporting purposes.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N (Project Builder) or CJ02 (Change Project) to manage WBS elements.
  SAP Notes: Check for any SAP Notes related to WBS elements and grouping that may provide additional insights or solutions to similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in project systems (PS) within SAP.