How To Fix COM_PRCAT303 - Hierarchy & already exists in target system

COM_PRCAT303 - Overview

• Message type: E = Error

• Message class: COM_PRCAT - Product Category

• Message number: 303

• Message text: Hierarchy & already exists in target system

What causes this issue?

This hierarchy already exists in the target system.
To preserve data integrity, a hierarchy and its categories cannot be
transported if the hierarchy already exists in the target system.

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?

In order to transport the hierarchy, you must first delete the
hierarchy in the target system.

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_PRCAT303 - Hierarchy & already exists in target system ?

  The SAP error message COM_PRCAT303 indicates that a hierarchy (typically a hierarchy for a characteristic or a master data structure) already exists in the target system during a data transfer or migration process. This error often occurs in the context of SAP's Controlling (CO) module or when working with Product Costing.
  
  Cause:
  The error is triggered when you attempt to create or transfer a hierarchy that has the same name or identifier as an existing hierarchy in the target system. This can happen during:
  
  Data Migration: When migrating data from one SAP system to another or from a legacy system to SAP.
  Transport Requests: When transporting changes that include the creation of a hierarchy that already exists in the target environment.
  Manual Entry: When manually trying to create a hierarchy that is already defined.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Hierarchies:
  
  Use transaction codes like KAH1 (for creating a hierarchy) or KAH2