How To Fix GRPG125 - WBS element & already has an unique assignment

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 125

• Message text: WBS element & already has an unique assignment

What causes this issue?

You want to assign WBS element &v1& to a type <ls>2</>
<DS:DE.GRPSPKZ>grouping WBS element</>, although it is already uniquely
assigned to grouping WBS element &v2&. An additional assignment is
consequently not allowed.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message GRPG125 - WBS element & already has an unique assignment ?

  The SAP error message GRPG125 indicates that a Work Breakdown Structure (WBS) element already has a unique assignment, which means that the system is preventing you from making a duplicate assignment to that WBS element. This error typically occurs in the context of project management within SAP, particularly when dealing with project structures and cost assignments.
  Cause:
  
  Duplicate Assignment: The WBS element you are trying to assign a cost or resource to already has a unique assignment. This could be due to an existing assignment that has not been completed or released.
  Incorrect Configuration: There may be configuration settings in the project system that enforce unique assignments for certain types of resources or costs.
  Data Integrity Issues: There might be issues with the data integrity in the project structure, leading to conflicts in assignments.
  
  Solution:
  
  Check Existing Assignments: Review the current assignments for the WBS element in question. You can do this by navigating to the WBS element in the project structure and checking the assignments already made.
  Remove or Modify Existing Assignment: If you find that there is an existing assignment that is no longer needed, you can remove or modify it to allow for the new assignment.
  Use a Different WBS Element: If the assignment is necessary and cannot be removed, consider using a different WBS element for the new assignment.
  Consult Configuration Settings: If you believe the unique assignment restriction is not appropriate for your project, consult with your SAP configuration team to review the settings related to WBS assignments.
  Check for Locks: Ensure that there are no locks on the WBS element that might be preventing changes. Sometimes, other users or processes may have the WBS element locked.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CJ20N (Project Builder) or CJ03 (Display Project) to view and manage WBS elements and their assignments.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Documentation: Refer to SAP documentation on project management and WBS elements for more detailed information on how assignments work and best practices for managing them.
  
  If the issue 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.