How To Fix RTCMMD158 - The deletion of article assignment & is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: RTCMMD - Article Hierarchy

• Message number: 158

• Message text: The deletion of article assignment & is not allowed

What causes this issue?

The (scheduled) assignment of the material to a node in the material
material hierarchy is mandatory and cannot be physically deleted.

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 RTCMMD158 - The deletion of article assignment & is not allowed ?

  The SAP error message RTCMMD158, which states "The deletion of article assignment & is not allowed," typically occurs in the context of managing article assignments in SAP Retail or SAP S/4HANA. This error indicates that there is an attempt to delete an article assignment that is not permitted due to certain constraints or conditions.
  Causes:
  
  Active Transactions: The article may be involved in active transactions, such as sales orders, purchase orders, or stock movements, which prevent its deletion.
  Dependencies: There may be dependencies or relationships with other objects (e.g., promotions, pricing conditions) that prevent the deletion of the article assignment.
  Status of the Article: The article might be in a status that does not allow for deletion, such as being marked as "active" or "in use."
  Configuration Settings: Certain configuration settings in the system may restrict the deletion of article assignments based on business rules or policies.
  
  Solutions:
  
  Check Active Transactions: Review any active transactions related to the article. If there are open sales orders or other documents, you may need to close or delete those transactions first.
  Review Dependencies: Investigate if there are any dependencies or linked objects that need to be addressed before attempting to delete the article assignment.
  Change Article Status: If applicable, change the status of the article to a state that allows for deletion (e.g., mark it as inactive).
  Consult Configuration: Check the configuration settings in the system to see if there are any rules that prevent deletion. You may need to consult with your SAP administrator or functional consultant to adjust these settings if necessary.
  Use Transaction Codes: Utilize relevant transaction codes (like MM02 for changing material data) to check the article's details and status.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) to manage article data.
  SAP Notes: Check for any SAP Notes related to RTCMMD158 for specific patches or updates that may address this issue.
  Documentation: Refer to SAP documentation or help guides for more detailed information on article management and the implications of deleting article assignments.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage with SAP support or your internal IT team for further assistance.