How To Fix MA059 - Define a unit of measure

SAP Error Message - Details

• Message type: E = Error

• Message class: MA - Sales and Operations Planning

• Message number: 059

• Message text: Define a unit of measure

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MA059 - Define a unit of measure ?

  The SAP error message MA059, which states "Define a unit of measure," typically occurs when the system is unable to find a valid unit of measure for a material or a transaction. This can happen in various contexts, such as when creating or updating material master records, purchase orders, or inventory transactions.
  Cause:
  
  Missing Unit of Measure: The unit of measure for the material has not been defined in the material master record.
  Incorrect Configuration: The unit of measure might not be properly configured in the system.
  Data Inconsistency: There may be inconsistencies in the data, such as missing entries in the unit of measure tables.
  Material Type Restrictions: Certain material types may have specific requirements for units of measure that are not being met.
  
  Solution:
  To resolve the MA059 error, follow these steps:
  
  
  Check Material Master:
  
  Go to the transaction code MM02 (Change Material) or MM03 (Display Material).
  Enter the material number and check the Basic Data view and the Purchasing view to ensure that a unit of measure is defined.
  
  
  
  Define Unit of Measure:
  
  If the unit of measure is missing, you can define it by going to the transaction code MM01 (Create Material) or MM02 (Change Material).
  Ensure that you enter the correct unit of measure in the relevant fields.
  
  
  
  Maintain Unit of Measure Conversion:
  
  If you are using multiple units of measure, ensure that the conversion factors are correctly defined. This can be done in the material master under the "Units of Measure" section.
  
  
  
  Check Unit of Measure Configuration:
  
  Use transaction code CUNI to access the unit of measure configuration.
  Ensure that the unit of measure you are trying to use is defined in the system and is active.
  
  
  
  Review Material Type Settings:
  
  Check if the material type you are using has specific requirements for units of measure. This can be done in the configuration settings (transaction code SPRO).
  
  
  
  Consult Documentation:
  
  If the issue persists, consult SAP documentation or reach out to your SAP support team for further assistance.
  
  
  
  Related Information:
  
  
  Unit of Measure Tables: The relevant tables for units of measure in SAP include:
  
  T006: Units of Measure
  T006A: Units of Measure (Language-Dependent)
  T006B: Units of Measure (Conversion Factors)
  
  
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  CUNI: Maintain Units of Measure
  SPRO: Customizing (Configuration)
  
  
  
  By following these steps, you should be able to resolve the MA059 error and ensure that the necessary units of measure are defined and configured correctly in your SAP system.