How To Fix MM161 - No base unit of measure can be determined for the manufacturer part

MM161 - Overview

• Message type: E = Error

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

• Message number: 161

• Message text: No base unit of measure can be determined for the manufacturer part

What causes this issue?

The system has tried to copy the base unit of measure for the
<DS:GLOS.manufacturer_part>manufacturer part</> from your company's own
material. However, no base unit of measure could be determined due to
one of the following reasons:
You have not assigned the manufacturer part to a material of your own.
The material to which the manufacturer part is assigned does not have a
base unit of measure, that is, the material master record is defective.

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?

Depending on the cause, choose one of the following options:
Assign the manufacturer part to a material of your own.
Correct the material master record of the material to which the
manufacturer part is assigned.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM161 - No base unit of measure can be determined for the manufacturer part ?

  The SAP error message MM161, which states "No base unit of measure can be determined for the manufacturer part," typically occurs in the Materials Management (MM) module when the system is unable to find a valid base unit of measure for a specific manufacturer part number. This can happen during various processes, such as creating or updating material master records, or when trying to perform transactions involving that material.
  Causes:
  
  Missing Base Unit of Measure: The material master record for the specific manufacturer part does not have a defined base unit of measure.
  Incorrect Manufacturer Part Number: The manufacturer part number may not be correctly linked to the material master.
  Data Inconsistencies: There may be inconsistencies or missing data in the material master or related tables.
  
  Configuration Issues: The configuration settings in the system may not be set up correctly to recognize the base unit of measure for the manufacturer part.
  
  Solutions:
  
  
  Check Material Master Record:
  
  Go to