How To Fix MU123 - A procurement material already exists for order UoM &1 and sales mat. &2.

MU123 - Overview

• Message type: E = Error

• Message class: MU - Maintenance of structured materials

• Message number: 123

• Message text: A procurement material already exists for order UoM &1 and sales mat. &2.

What causes this issue?

You have tried to create a procurement material based on sales material
&V2& for order unit of measure &V1&.
This material is used in the context of logistical materials as a
procurement material. Another procurement material has already been
created with UoM &V1&.

System Response

To avoid a data inconsistency in the material master, the system stops
processing and does not allow you to create the material master data.

How to fix this error?

Choose a different order unit of measure for the procurement material
you want to create.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MU123 - A procurement material already exists for order UoM &1 and sales mat. &2. ?

  The SAP error message MU123 indicates that there is a conflict related to the procurement of a material in a specific unit of measure (UoM) and sales material. This typically occurs when there is an attempt to create or modify a procurement document (like a purchase order or production order) for a material that already has an existing procurement record in the system.
  
  Cause:
  
  
  Existing Procurement Record: The error arises when there is already a procurement record for the specified material in the given unit of measure. This could be due to:
  
  An existing purchase order or production order for the same material.
  A mismatch in the unit of measure being used for the procurement and the one that is already recorded.
  The material might be set up in a way that it does not allow multiple procurement records for the same UoM.
  
  
  
  
  Configuration Issues: There may be configuration settings in the material master or the