How To Fix MI_MGMT150 - Parameter set is assigned to device configuration and cannot be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: MI_MGMT - MI: Device Management

• Message number: 150

• Message text: Parameter set is assigned to device configuration and cannot be deleted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MI_MGMT150 - Parameter set is assigned to device configuration and cannot be deleted ?

  The SAP error message MI_MGMT150 indicates that a parameter set is currently assigned to a device configuration and therefore cannot be deleted. This typically occurs in the context of SAP's Plant Maintenance (PM) or Industry Solution (IS) modules, where device configurations are managed.
  Cause:
  The error arises when you attempt to delete a parameter set that is actively linked to a device configuration. In SAP, parameter sets are used to define specific settings or configurations for devices, and if a parameter set is in use, the system prevents its deletion to maintain data integrity.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Assignments: 
  
  Verify which device configurations are currently using the parameter set. You can do this by navigating to the relevant transaction (e.g., IL02 for changing equipment or IL03 for displaying equipment) and checking the parameter set assignments.
  
  
  
  Remove Assignments:
  
  If you find that the parameter set is assigned to one or more device configurations, you will need to remove these assignments before you can delete the parameter set. This can typically be done in the same transaction where you checked the assignments.
  
  
  
  Delete the Parameter Set:
  
  Once all assignments have been removed, you should be able to delete the parameter set without encountering the error.
  
  
  
  Check for Dependencies:
  
  Ensure that there are no other dependencies or references to the parameter set in other configurations or processes that might prevent deletion.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  IL01: Create Equipment
  IL02: Change Equipment
  IL03: Display Equipment
  OISD: Device Management settings
  
  
  Documentation: Refer to SAP Help documentation for detailed information on managing parameter sets and device configurations.
  User Roles: Ensure that you have the necessary authorizations to make changes to device configurations and parameter sets.
  
  If you continue to experience issues after following these steps, consider reaching out to your SAP support team or consulting the SAP community for further assistance.