How To Fix MI_MGMT145 - Cannot delete object assigned to node

SAP Error Message - Details

• Message type: E = Error

• Message class: MI_MGMT - MI: Device Management

• Message number: 145

• Message text: Cannot delete object assigned to node

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MI_MGMT145 - Cannot delete object assigned to node ?

  The SAP error message MI_MGMT145 ("Cannot delete object assigned to node") typically occurs when you attempt to delete a master data object (like a material, vendor, or customer) that is still assigned to a node in the system. This can happen in various contexts, such as when dealing with materials in inventory management or when managing master data in general.
  Cause:
  The error is triggered because the object you are trying to delete is still linked to other entities or processes in the system. This could include:
  
  Active Assignments: The object is assigned to a node in a hierarchy or structure (e.g., a material is assigned to a plant or storage location).
  Open Transactions: There may be open transactions or documents that reference the object, such as purchase orders, sales orders, or inventory records.
  Dependencies: The object may have dependencies on other objects that prevent its deletion.
  
  Solution:
  To resolve the MI_MGMT145 error, you can follow these steps:
  
  
  Check Assignments: 
  
  Use transaction codes like MM03 (Display Material) or SE11 (Data Dictionary) to check where the object is assigned.
  Look for any nodes, plants, or other entities that the object is linked to.
  
  
  
  Remove Assignments:
  
  If the object is assigned to a node, you will need to remove that assignment first. This can be done through the relevant transaction (e.g., using MM02 to change material data).
  Ensure that you remove any links to plants, storage locations, or other relevant entities.
  
  
  
  Check for Open Transactions:
  
  Review any open purchase orders, sales orders, or inventory documents that may reference the object.
  If there are open transactions, you may need to close or delete them before you can delete the object.
  
  
  
  Use Transaction Codes:
  
  Use transaction codes like MM06 (Mark for Deletion) to mark the object for deletion instead of deleting it outright. This can sometimes help in managing dependencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the type of object you are dealing with.
  
  
  
  Seek Help from SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP Notes for any known issues related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), MM03 (Display Material), and MM06 (Mark for Deletion).
  SAP Notes: Check SAP Notes for any updates or patches related to this error message.
  User Permissions: Ensure that you have the necessary permissions to delete or modify the object in question.
  
  By following these steps, you should be able to identify the cause of the MI_MGMT145 error and take appropriate action to resolve it.