How To Fix RTCMMD028 - Article & is already assigned to hierarchy node &

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 028

• Message text: Article & is already assigned to hierarchy node &

What causes this issue?

The material is already assigned to a hierarchy node. Each material can
only be assigned once within a hierarchy.

System Response

The material is not copied.

How to fix this error?

You can reassign the material from its original node to the new node.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RTCMMD028 - Article & is already assigned to hierarchy node & ?

  The SAP error message RTCMMD028 indicates that an article (material) is already assigned to a specific hierarchy node in the system. This typically occurs in the context of SAP's Master Data Management (MDM) or when dealing with product hierarchies in SAP Retail or SAP S/4HANA.
  Cause:
  The error arises when you attempt to assign an article to a hierarchy node that it is already associated with. This can happen due to:
  
  Duplicate assignment attempts.
  Incorrect data entry or processing logic in the system.
  A misunderstanding of the hierarchy structure and the relationships between articles and nodes.
  
  Solution:
  To resolve the RTCMMD028 error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Use transaction codes like MM03 (Display Material) or MM02 (Change Material) to check the current assignments of the article in question.
  Navigate to the relevant hierarchy node to see if the article is already listed.
  
  
  
  Remove Duplicate Assignment:
  
  If the article is already assigned and you need to change its assignment, you may need to first remove it from the current node before assigning it to a new one.
  Use the appropriate transaction (like MM02 or a specific hierarchy management transaction) to remove the article from the existing node.
  
  
  
  Review Hierarchy Structure:
  
  Ensure that the hierarchy structure is correctly set up and that you understand how articles are meant to be assigned to nodes.
  Consult with your SAP administrator or a functional consultant if you are unsure about the hierarchy setup.
  
  
  
  Data Consistency Check:
  
  Run data consistency checks to ensure that there are no other underlying issues with the master data that could be causing this error.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on managing article assignments within your version of SAP.
  
  
  
  Contact Support:
  
  If the issue persists and you cannot resolve it, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), MM03 (Display Material), and any specific hierarchy management transactions.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Training: If you frequently encounter issues with material assignments, consider additional training on SAP Master Data Management and product hierarchies.
  
  By following these steps, you should be able to identify the cause of the RTCMMD028 error and implement a solution to resolve it.