How To Fix CMS_REL002 - Duplicate entries of relationships is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CMS_REL - Messages for Relationships

• Message number: 002

• Message text: Duplicate entries of relationships is not possible

What causes this issue?

The relationship of the specified type is already defined for specified
source and destination collateral agreements.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMS_REL002 - Duplicate entries of relationships is not possible ?

  The SAP error message CMS_REL002: Duplicate entries of relationships is not possible typically occurs in the context of the SAP Customer Management System (CMS) or similar modules where relationships between business partners, customers, or other entities are being managed. This error indicates that there is an attempt to create a relationship that already exists in the system, which is not allowed.
  Cause:
  
  Duplicate Relationship Entry: The most common cause of this error is that there is already an existing relationship between the two entities you are trying to link. For example, if you are trying to create a relationship between two business partners that already have a defined relationship, the system will throw this error.
  Data Entry Error: Sometimes, this can occur due to a data entry error where the same relationship is being entered multiple times inadvertently.
  System Configuration: In some cases, the system configuration or settings may not allow for certain types of relationships to be duplicated.
  
  Solution:
  
  Check Existing Relationships: Before creating a new relationship, check the existing relationships between the entities involved. You can do this by navigating to the relevant transaction or using the appropriate report to view existing relationships.
  Modify Existing Relationship: If you need to change the details of an existing relationship, consider modifying the existing entry instead of creating a new one.
  Delete Duplicate Entries: If you find that there are indeed duplicate entries that should not exist, you may need to delete the unnecessary ones. Ensure you have the proper authorizations to do this.
  Consult Documentation: Review the SAP documentation or help files related to relationship management to understand the rules and constraints regarding relationships.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide guidance based on your specific system configuration.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with business partner relationships, such as BP (Business Partner) or CRM transactions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide insights into specific bugs or configuration issues that may be causing the error.
  User Authorization: Ensure that you have the necessary authorizations to create or modify relationships in the system, as lack of permissions can sometimes lead to unexpected errors.
  
  By following these steps, you should be able to identify the cause of the CMS_REL002 error and take appropriate action to resolve it.