How To Fix COM_PRCAT067 - Relationship type &2 is already being used in category hierarchy &1

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_PRCAT - Product Category

• Message number: 067

• Message text: Relationship type &2 is already being used in category hierarchy &1

What causes this issue?

Each relationship type can only be assigned to one hierarchy per
product type. This means the following:
You can assign a relationship type to several categories within one
hierarchy.
You can assign a relationship type to two categories in different
hierarchies if these categories have different product types.
You cannot assign a relationship type to two categories in different
hierarchies if these have the same product type.

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 COM_PRCAT067 - Relationship type &2 is already being used in category hierarchy &1 ?

  The SAP error message COM_PRCAT067 indicates that there is an issue with the relationship type being used in a category hierarchy. Specifically, it means that the relationship type you are trying to assign or modify is already in use within the specified category hierarchy. This can occur when you attempt to create or change a relationship between categories in the SAP system, but the relationship type is already associated with another category or is being used in a way that conflicts with your current action.
  Cause:
  
  Duplicate Relationship: The relationship type you are trying to use is already assigned to another category in the hierarchy.
  Incorrect Hierarchy Structure: The structure of the category hierarchy may not allow for the relationship type to be reused in the way you are attempting.
  Data Integrity Constraints: SAP enforces certain constraints to maintain data integrity, and this error is a result of those constraints being violated.
  
  Solution:
  
  
  Check Existing Relationships: Review the existing relationships in the category hierarchy to see where the relationship type is already being used. You can do this by navigating to the relevant category hierarchy in the SAP system and examining the relationships.
  
  
  Modify or Remove Existing Relationships: If the relationship type is indeed being used and you need to use it for a different category, consider modifying or removing the existing relationship where it is currently assigned, if that is appropriate for your business logic.
  
  
  Use a Different Relationship Type: If the relationship type is critical and cannot be removed or modified, consider using a different relationship type that is not currently in use.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on category hierarchies and relationship types to ensure you are following the correct procedures.
  
  
  Contact SAP Support: If you are unable to resolve the issue through the above steps, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration or version.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as COMMPR01 (for managing product categories) or COMMPR02 (for managing product relationships) to navigate the category hierarchy effectively.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional context or solutions specific to your version of SAP.
  User Roles and Permissions: Ensure that you have the necessary permissions to modify category hierarchies and relationships, as restrictions may also lead to errors.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.