How To Fix MM104 - Material has no base unit of measure

MM104 - Overview

• Message type: E = Error

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

• Message number: 104

• Message text: Material has no base unit of measure

What causes this issue?

You want to convert quantities of a material to which no base unit of
measure has been assigned.

System Response

Conversion is not possible.

How to fix this error?

If you wish to convert quantities of a specific material, you must
assign a base unit of measure to it.

Error message extract from SAP system. Copyright SAP SE.

MM104 - Details

• The SAP error message MM104: Material has no base unit of measure typically occurs when you are trying to perform an operation related to a material that does not have a defined base unit of measure in the material master record. The base unit of measure is essential for various transactions in SAP, including inventory management, purchasing, and sales.
  
  Cause:
  
  Missing Base Unit of Measure: The most common cause of this error is that the material master record for the specific material does not have a base unit of measure defined.
  Incorrect Material Type: The material type may not be set up correctly, or the material may not be configured to allow for a base unit of measure.
  Data Corruption: In rare cases, data corruption or incomplete data entry during the creation of the material master can lead to this issue.
  
  
  Solution:
  To resolve the MM104 error, follow these steps:
  
  
  Check Material Master Record:
  
  Go to transaction code