How To Fix BMEN089 - Reference creates endless structure

SAP Error Message - Details

• Message type: E = Error

• Message class: BMEN - Message Class for Area Menu Maintenance

• Message number: 089

• Message text: Reference creates endless structure

What causes this issue?

This reference creates an endless structure. The menu referenced in the
menu entry references the menu currently being processed directly or
indirectly, so the menu can be expanded indefinitely.

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?

If you want to avoid endless strutures, delete the selected reference.

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 BMEN089 - Reference creates endless structure ?

  The SAP error message BMEN089 ("Reference creates endless structure") typically occurs in the context of creating or managing material master data, particularly when dealing with the Bill of Materials (BOM) or similar structures. This error indicates that there is a circular reference in the BOM or the structure you are trying to create, which leads to an endless loop.
  Cause:
  
  Circular Reference: The most common cause of this error is that the BOM or reference structure you are trying to create has a circular reference. For example, if Material A references Material B, and Material B also references Material A, it creates an endless loop.
  Incorrect Configuration: Sometimes, the configuration of the materials or BOMs may not be set up correctly, leading to unintended references.
  Data Entry Errors: Manual data entry errors can also lead to incorrect references being created.
  
  Solution:
  
  Check BOM Structure: Review the BOM or the structure you are trying to create. Look for any circular references where one material references another that, in turn, references the first material.
  Correct References: If you find any circular references, correct them by removing or changing the references to ensure that there is a clear, non-circular hierarchy.
  Use Transaction Codes: Utilize transaction codes like CS03 (Display BOM) or CS02 (Change BOM) to analyze the BOM structure and identify any issues.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on how to properly structure BOMs and avoid circular references.
  Testing: After making changes, test the BOM or structure again to ensure that the error no longer occurs.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. Sometimes, SAP releases notes that address known issues or provide additional guidance.
  Training and Documentation: Ensure that users involved in creating BOMs or material structures are trained properly to avoid common pitfalls that lead to such errors.
  Support: If the issue persists after checking for circular references and correcting them, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to resolve the BMEN089 error and successfully create or manage your BOMs without encountering endless structure references.