How To Fix MM107 - Specified alternative unit of measure is not defined

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 107

• Message text: Specified alternative unit of measure is not defined

What causes this issue?

The alternative unit which you have entered is not defined in the
system.

System Response

It is therefore not possible to carry out the conversion.

How to fix this error?

If necessary, you can define this alternative unit of measure in
Customizing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM107 - Specified alternative unit of measure is not defined ?

  The SAP error message MM107: Specified alternative unit of measure is not defined typically occurs in the Materials Management (MM) module when you are trying to perform an operation that involves an alternative unit of measure (UoM) that has not been defined for a material in the system.
  Cause:
  
  Missing Alternative UoM Definition: The most common cause of this error is that the alternative unit of measure for the material has not been set up in the material master record.
  Incorrect Configuration: The configuration settings for units of measure may not be correctly defined in the system.
  Data Entry Error: There may be a typo or incorrect entry when specifying the alternative unit of measure during transactions.
  
  Solution:
  To resolve the MM107 error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the Material Master (Transaction Code: MM03).
  Enter the material number and select the appropriate views (e.g., Basic Data, Purchasing, or Sales).
  Check if the alternative unit of measure is defined in the "Units of Measure" section.
  
  
  
  Define Alternative Unit of Measure:
  
  If the alternative unit of measure is not defined, you can add it:
  
  Go to the Material Master (Transaction Code: MM02).
  Select the relevant views and navigate to the "Units of Measure" section.
  Add the alternative unit of measure and specify the conversion factor relative to the base unit of measure.
  
  
  
  
  
  Check UoM Configuration:
  
  Ensure that the alternative unit of measure is configured correctly in the system.
  You can check the configuration settings in the Customizing (Transaction Code: SPRO) under:
  
  Logistics - General > Material Master > Basic Settings > Units of Measure.
  
  
  Verify that the alternative unit of measure is defined in the system.
  
  
  
  Review Transaction Entry:
  
  If you are entering the alternative unit of measure during a transaction, double-check for any typos or incorrect entries.
  
  
  
  Consult Documentation:
  
  If the issue persists, refer to SAP documentation or consult with your SAP support team for further assistance.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, materials can be managed in different units of measure (e.g., pieces, kilograms, liters). Each material can have a base unit of measure and alternative units of measure defined for various business processes.
  Conversion Factors: When defining alternative units of measure, it is essential to specify the correct conversion factors to ensure accurate inventory management and reporting.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for managing material master data.
  
  By following these steps, you should be able to resolve the MM107 error and ensure that the alternative unit of measure is correctly defined for your materials in SAP.