How To Fix MH133 - The unit of measure & is not defined for this material

SAP Error Message - Details

• Message type: E = Error

• Message class: MH - Maintain Material Master Data (Retail)

• Message number: 133

• Message text: The unit of measure & is not defined for this material

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 MH133 - The unit of measure & is not defined for this material ?

  The SAP error message MH133 indicates that the unit of measure (UoM) specified for a material is not defined in the system. This can occur in various scenarios, such as when trying to create a purchase order, sales order, or during inventory management activities.
  Cause:
  
  Missing Unit of Measure Definition: The specific unit of measure has not been defined for the material in the material master data.
  Incorrect Unit of Measure: The unit of measure being used may not be valid for the material or may not be linked correctly in the system.
  Material Master Data Issues: The material master record may be incomplete or incorrectly configured, leading to the absence of the required unit of measure.
  
  Solution:
  To resolve the MH133 error, follow these steps:
  
  
  Check Material Master Data:
  
  Go to transaction code MM03 (Display Material) and enter the material number.
  Check the "Basic Data" and "Purchasing" views to see if the unit of measure is defined.
  
  
  
  Define the Unit of Measure:
  
  If the unit of measure is missing, you can add it by using transaction code MM02 (Change Material).
  Navigate to the "Basic Data" or "Purchasing" view and ensure that the required unit of measure is defined.
  
  
  
  Check UoM Conversion:
  
  If you are using multiple units of measure, ensure that the conversion factors are correctly defined in the material master.
  This can be done in the "Units of Measure" view in the material master.
  
  
  
  Check UoM in Transaction:
  
  Ensure that the unit of measure you are trying to use in your transaction is valid and correctly spelled.
  
  
  
  Consult with SAP Support:
  
  If the issue persists after checking the material master, consider consulting with your SAP support team or checking SAP Notes for any related issues.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  MM04: Display Material Changes
  
  
  Unit of Measure Configuration: You can configure units of measure in the SAP system through the customizing transaction SPRO under "Logistics - General" > "Material Master" > "Basic Settings" > "Define Units of Measure".
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to unit of measure definitions.
  
  By following these steps, you should be able to resolve the MH133 error and ensure that the unit of measure is correctly defined for the material in question.