How To Fix COM_IL004 - A relationship with the same destination already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_IL - Object Relationships (Interlinkages)

• Message number: 004

• Message text: A relationship with the same destination 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
destination.

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_IL004 - A relationship with the same destination already exists ?

  The SAP error message COM_IL004 indicates that there is an attempt to create a relationship in the SAP system that already exists for the same destination. This error typically occurs in the context of SAP's classification and object relationship management, particularly when dealing with characteristics and their relationships in the classification system.
  Cause:
  The error is caused by trying to create a duplicate relationship between objects in the classification system. This can happen in various scenarios, such as:
  
  When you are trying to assign a characteristic to a class or object that already has that characteristic assigned.
  When you are trying to create a relationship between two objects that already have an existing relationship.
  
  Solution:
  To resolve the COM_IL004 error, you can take the following steps:
  
  
  Check Existing Relationships:
  
  Navigate to the relevant transaction (e.g., CL02 for class maintenance or similar) and check if the relationship you are trying to create already exists.
  If it does, you may not need to create it again.
  
  
  
  Modify Existing Relationships:
  
  If you need to change the existing relationship, consider modifying it instead of creating a new one. You can delete the existing relationship if it is no longer needed.
  
  
  
  Review Data Entry:
  
  Ensure that the data you are entering is correct and does not inadvertently create duplicates. Double-check the object IDs and characteristics you are working with.
  
  
  
  Use Transaction Codes:
  
  Use transaction codes like CL02 (Class Maintenance) or CL03 (Display Class) to view and manage classes and their relationships.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to classification and object relationships for additional guidance.
  
  
  
  Check for Custom Code:
  
  If you are using custom development or enhancements, ensure that there are no issues in the code that might be causing this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CL01 (Create Class), CL02 (Change Class), CL03 (Display Class), and others related to classification and object management.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.