How To Fix MM028 - The order unit for material & may not be deleted

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 028

• Message text: The order unit for material & may not be deleted

What causes this issue?

The unit of measure is used as the <DS:GLOS.order_unit>order unit</>
and may not therefore be 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?

If you want to delete the unit of measure nevertheless, change the
order unit to another unit.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM028 - The order unit for material & may not be deleted ?

  The SAP error message MM028 ("The order unit for material & may not be deleted") typically occurs in the Materials Management (MM) module when there is an attempt to delete the order unit for a material that is still being used in the system. This can happen in various scenarios, such as when trying to delete or change the material master data.
  
  Cause:
  
  Active Transactions: The material is currently being used in open purchase orders, production orders, or other transactions.
  Dependencies: The order unit is linked to other data or processes that prevent its deletion.
  Configuration Settings: Certain configuration settings in the system may restrict the deletion of order units.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Active Transactions:
  
  Use transaction codes like ME23N (Display Purchase Order) or CO03 (Display Production Order) to check if there are any active transactions involving the material.
  If there are open purchase orders or production orders, you will need