How To Fix COM_IL003 - A relationship with the same source already exists

COM_IL003 - Overview

• Message type: E = Error

• Message class: COM_IL - Object Relationships (Interlinkages)

• Message number: 003

• Message text: A relationship with the same source already exists

What causes this issue?

The relationship cannot be created because the cardinality of the
relationship type does not allow another relationship with the same
source.

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?

Error message extract from SAP system. Copyright SAP SE.

COM_IL003 - Details

• The SAP error message COM_IL003 indicates that there is an attempt to create a relationship in the system that already exists for the same source. This error typically occurs in the context of SAP's Integrated Business Planning (IBP) or in the context of master data management where relationships between different entities (like products, locations, etc.) are defined.
  
  Cause:
  The error is caused by trying to create a duplicate relationship for a source entity that already has an existing relationship defined. This can happen due to:
  
  Manual entry errors where the same relationship is being entered multiple times.
  Data migration or upload processes that attempt to create relationships that already exist.
  Incorrect configuration or logic in custom programs or scripts that handle relationship creation.
  
  
  Solution:
  To resolve the COM_IL003 error, you can take the following steps:
  
  
  Check Existing Relationships:
  
  Review the existing relationships for the source entity in the relevant transaction or application. Ensure that the relationship you are trying