How To Fix BP309 - CB: &1 / &2 has a superior assignment object

BP309 - Overview

• Message type: E = Error

• Message class: BP - Budgeting and planning

• Message number: 309

• Message text: CB: &1 / &2 has a superior assignment object

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The assignment object in the commitment budget in funds center/
commitment item has &V1& / &V2& has &V3& / &V4& as the superior
assignment object in the commitment budget.
However, there must only be one assignment object in an upward path.

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?

Delete one of the assignment objects.

Error message extract from SAP system. Copyright SAP SE.

BP309 - Details

• The SAP error message BP309 indicates that there is an issue with the assignment of a business partner (BP) in the system. Specifically, the message states that the business partner you are trying to assign has a "superior assignment object," which means that there is a hierarchy or relationship that is not being respected in the assignment process.
  
  Cause:
  
  Hierarchy Violation: The business partner you are trying to assign is part of a hierarchy where it has a superior or parent object that must be respected. This could be due to organizational structures, such as a company code or sales area, where certain business partners are designated as superior to others.
  Incorrect Assignment: You may be trying to assign a business partner to a role or relationship that is not allowed due to existing relationships or configurations in the system.
  
  Configuration Issues: There may be configuration settings in the SAP system that dictate how