How To Fix PMMO_PEGGING036 - Pegging assignment already exists for WBS element &1

SAP Error Message - Details

• Message type: E = Error

• Message class: PMMO_PEGGING - Messages for Pegging in PMMO

• Message number: 036

• Message text: Pegging assignment already exists for WBS element &1

What causes this issue?

The WBS element &V1& is used in PMMO assignment records (table
PMMO_ASSIGNMENT, field PSPNR_ASSGND).
Do not delete this entry because this could lead to inconsistent data.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check your entries.

Procedure for System Administrators

INCLUDE PMMO_MMI_CUSTOMIZABLE_MSG OBJECT DOKU ID TX LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PMMO_PEGGING036 - Pegging assignment already exists for WBS element &1 ?

  The SAP error message PMMO_PEGGING036 indicates that there is an attempt to create a pegging assignment for a Work Breakdown Structure (WBS) element that already has an existing pegging assignment. This typically occurs in the context of project management and production planning within SAP, where resources or materials are being allocated to specific tasks or projects.
  Cause:
  
  
  Existing Pegging Assignment: The primary cause of this error is that the WBS element you are trying to assign resources or materials to already has a pegging assignment. This could happen if:
  
  The assignment was made previously and not cleared.
  There are multiple users or processes trying to assign resources to the same WBS element simultaneously.
  
  
  
  Data Integrity Issues: Sometimes, inconsistencies in the database or issues with data integrity can lead to this error.
  
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Use transaction codes like CJ20N (Project Builder) or CJI3 (Project Actual Line Items) to check if there are existing pegging assignments for the WBS element in question.
  Review the assignments and determine if they are still valid or if they can be modified or removed.
  
  
  
  Remove or Modify Existing Assignment:
  
  If the existing assignment is no longer needed, you can remove it. This can typically be done in the same transaction where you check the assignments.
  If the assignment needs to be modified, make the necessary changes to the existing assignment instead of creating a new one.
  
  
  
  Consult Documentation: Review SAP documentation or help files related to pegging assignments and WBS elements for additional guidance.
  
  
  Check for Concurrent Processes: Ensure that no other users or processes are trying to assign resources to the same WBS element at the same time, which could lead to conflicts.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration or any known issues.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CJ20N, CJI3, and CJR2 for managing WBS elements and their assignments.
  SAP Notes: Check SAP Notes for any known issues or patches related to pegging assignments and WBS elements.
  User Roles and Authorizations: Ensure that the user attempting to make the assignment has the necessary authorizations to view and modify WBS assignments.
  
  By following these steps, you should be able to resolve the PMMO_PEGGING036 error and successfully manage your WBS assignments in SAP.