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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message COM_IL003 - A relationship with the same source already exists ?

  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 to create does not already exist.
  
  
  
  Modify or Delete Existing Relationships:
  
  If the relationship already exists but needs to be updated, consider modifying the existing relationship instead of creating a new one.
  If the existing relationship is incorrect or no longer needed, you may delete it before attempting to create a new one.
  
  
  
  Data Uploads:
  
  If you are using data uploads (e.g., through LSMW, BAPIs, or other data migration tools), ensure that your data does not contain duplicates. You may need to preprocess your data to remove duplicates before uploading.
  
  
  
  Review Custom Logic:
  
  If you have custom programs or scripts that create relationships, review the logic to ensure it checks for existing relationships before attempting to create new ones.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on managing relationships in your version of SAP.
  
  
  
  Contact 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.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on your SAP version, you may use specific transaction codes to view or manage relationships (e.g., BP for Business Partner relationships).
  SAP Notes: Check for any relevant SAP Notes that might address this error or provide additional troubleshooting steps.
  Community Forums: SAP Community and other forums can be helpful for finding similar issues faced by other users and their solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.