How To Fix MI_MGMT142 - Cannot delete the object; it is still assigned in the hierarchy

SAP Error Message - Details

• Message type: E = Error

• Message class: MI_MGMT - MI: Device Management

• Message number: 142

• Message text: Cannot delete the object; it is still assigned in the hierarchy

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MI_MGMT142 - Cannot delete the object; it is still assigned in the hierarchy ?

  The SAP error message MI_MGMT142 indicates that you are trying to delete an object (such as a material, equipment, or another master data entity) that is still assigned in a hierarchy. This typically occurs in the context of Material Management (MM) or Plant Maintenance (PM) modules, where objects can be part of various hierarchical structures.
  Cause:
  The error occurs because the object you are attempting to delete is still linked to other objects or structures in the system. For example:
  
  The material is still assigned to a BOM (Bill of Materials).
  The equipment is still linked to a maintenance plan or task list.
  The object is part of a classification or hierarchy that prevents its deletion.
  
  Solution:
  To resolve this error, you need to identify and remove the assignments or links that are preventing the deletion of the object. Here are the steps you can take:
  
  
  Check Assignments:
  
  Use transaction codes like CS03 (Display BOM), IL03 (Display Equipment), or CL03 (Display Class) to check where the object is assigned.
  Look for any BOMs, task lists, maintenance plans, or classifications that reference the object.
  
  
  
  Remove Assignments:
  
  If the object is part of a BOM, you will need to delete or change the BOM to remove the object.
  If it is linked to a maintenance plan, you will need to remove it from the plan.
  For classifications, you may need to remove the object from the class it is assigned to.
  
  
  
  Use the Hierarchy Display:
  
  If applicable, use the hierarchy display tools in SAP to visualize where the object is being used. This can help you identify all dependencies.
  
  
  
  Check for Dependent Objects:
  
  Ensure that there are no dependent objects that are still referencing the object you want to delete.
  
  
  
  Retry Deletion:
  
  Once all assignments have been removed, attempt to delete the object again.
  
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes for managing master data, such as:
  
  MM03: Display Material
  IE03: Display Equipment
  CS02: Change BOM
  IP03: Display Maintenance Plan
  
  
  
  Documentation: Refer to SAP Help documentation for detailed instructions on managing master data and understanding object hierarchies.
  
  
  Authorization: Ensure you have the necessary authorizations to make changes to the objects and their assignments.
  
  
  Consult with Colleagues: If you are unsure about removing certain assignments, consult with colleagues or a functional consultant who specializes in the relevant area (MM, PM, etc.).
  
  
  By following these steps, you should be able to resolve the MI_MGMT142 error and successfully delete the object in question.