How To Fix MM023 - & is still used as the production unit for material & in plant &

MM023 - Overview

• Message type: E = Error

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

• Message number: 023

• Message text: & is still used as the production unit for material & in plant &

What causes this issue?

The unit of measure &V1& is still used as the
<DS:GLOS.production_unit>production unit</> in at least one plant 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
production unit to another unit in the plants concerned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM023 - & is still used as the production unit for material & in plant & ?

  The SAP error message MM023 typically indicates that there is an issue with the material master data, specifically related to the unit of measure (UoM) for a material in a particular plant. The error message usually states something like "Material & is still used as the production unit for material & in plant &."
  
  Cause:
  
  Material Master Configuration: The material is still being used in production or has existing transactions that reference it, which prevents changes to its unit of measure.
  Open Purchase Orders or Production Orders: There may be open purchase orders, production orders, or stock movements that are still using the material in question.
  Incorrect Deletion Flag: The deletion flag for the material may not be set correctly, or the material is not marked for deletion in the system.
  Dependencies in Other Modules: The material may be linked to other modules (like Sales and Distribution or Production Planning) that are still referencing it.
  
  
  Solution:
  
  Check