How To Fix GRPG124 - WBS element & can only be assigned to one grouping WBS element

GRPG124 - Overview

• Message type: E = Error

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

• Message number: 124

• Message text: WBS element & can only be assigned to one grouping WBS element

What causes this issue?

You want to assign WBS element &v1& to a type '1' grouping WBS element.
Type '1' requires unique assignment; WBS element &v1& is already
assigned to grouping WBS element &v2&.

System Response

INCLUDE NA_ALLG_NOVERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

Either cancel the assignment or delete the existing assignment to
grouping WBS element &V2&.

Error message extract from SAP system. Copyright SAP SE.

GRPG124 - Details

• The SAP error message GRPG124 indicates that a Work Breakdown Structure (WBS) element is being assigned to more than one grouping WBS element, which is not allowed in the system. This error typically arises in project management scenarios where WBS elements are used to structure and manage projects.
  
  Cause:
  
  Multiple Assignments: The primary cause of this error is that the WBS element you are trying to assign is already linked to another grouping WBS element. In SAP, each WBS element can only be assigned to one grouping WBS element at a time.
  Incorrect Configuration: There may be a configuration issue in the project structure or the way WBS elements are defined and grouped.
  Data Entry Error: It could also be a result of a data entry mistake where the same WBS element is inadvertently being assigned multiple times.
  
  
  Solution:
  
  Check Existing Assignments: Review the current assignments of the WBS element in question. You can do this