How To Fix OIJ_3WP015 - Double assignment not possible. Unassign at least one DS line item

SAP Error Message - Details

• Message type: E = Error

• Message class: OIJ_3WP - Three way pegging message class, component of TSW

• Message number: 015

• Message text: Double assignment not possible. Unassign at least one DS line item

What causes this issue?

At least one different Distribution Schedule line item has been
selected which is already assigned two a different Nomination
Simulation ID (link to OIJ_SIMID). Double assignments are not possible.

System Response

Assignment not carried out.

How to fix this error?

Unassign the specific Distribution Schedule line item(s) first.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OIJ_3WP015 - Double assignment not possible. Unassign at least one DS line item ?

  The SAP error message OIJ_3WP015: "Double assignment not possible. Unassign at least one DS line item" typically occurs in the context of SAP Oil and Gas (OIJ) when there is an attempt to assign multiple delivery schedule (DS) line items to a single work process or operation, which is not allowed.
  Cause:
  
  Multiple Assignments: The error arises when there are already existing assignments for the delivery schedule line items, and the system does not allow for multiple assignments to the same work process.
  Data Integrity Rules: SAP has built-in data integrity rules that prevent double assignments to ensure that each line item is uniquely assigned to a work process.
  
  Solution:
  To resolve this error, you need to unassign at least one of the existing delivery schedule line items before attempting to assign a new one. Here are the steps you can follow:
  
  
  Identify Assigned Line Items:
  
  Go to the relevant transaction where you are trying to make the assignment.
  Check the current assignments for the work process or operation in question.
  
  
  
  Unassign Line Items:
  
  Navigate to the section where the delivery schedule line items are listed.
  Select the line item(s) that you want to unassign.
  Use the appropriate function (such as "Unassign" or "Delete") to remove the assignment.
  
  
  
  Re-attempt Assignment:
  
  After unassigning the necessary line items, try to assign the new delivery schedule line item again.
  
  
  
  Check for Errors:
  
  If the error persists, double-check that there are no other conflicting assignments or data integrity issues.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with the relevant transaction codes in SAP Oil and Gas that deal with delivery schedules and work processes.
  Documentation: Refer to SAP documentation or help files specific to the Oil and Gas module for more detailed information on handling delivery schedules and assignments.
  User Roles and Permissions: Ensure that you have the necessary permissions to make changes to assignments in the system.
  Consult with SAP Support: If the issue continues to occur, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  By following these steps, you should be able to resolve the OIJ_3WP015 error and successfully manage your delivery schedule assignments.