How To Fix XU021 - Qty conversion not possible. Production unit not maintained in mat.master

SAP Error Message - Details

• Message type: E = Error

• Message class: XU - Messages for Quantity Conversion at Batch Level (Steel-AI)

• Message number: 021

• Message text: Qty conversion not possible. Production unit not maintained in mat.master

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message XU021 - Qty conversion not possible. Production unit not maintained in mat.master ?

  The SAP error message XU021: "Qty conversion not possible. Production unit not maintained in mat.master" typically occurs when there is an attempt to perform a quantity conversion for a material in a production-related transaction, but the necessary configuration for the production unit of measure is missing in the material master.
  Cause:
  
  Missing Production Unit of Measure: The material master record does not have a production unit of measure defined. This is essential for operations that involve production, such as creating production orders or confirming production activities.
  Incorrect Material Type: The material type may not support production-related activities, or it may not be configured correctly.
  Configuration Issues: There may be issues with the configuration of the material master or the related settings in the system.
  
  Solution:
  To resolve the error, follow these steps:
  
  
  Check Material Master:
  
  Go to transaction code MM03 (Display Material) and enter the material number.
  Check the Basic Data and Purchasing views to see if the production unit of measure is maintained.
  If it is missing, you will need to update the material master.
  
  
  
  Maintain Production Unit of Measure:
  
  Go to transaction code MM02 (Change Material).
  Select the relevant views (e.g., Basic Data, Purchasing, or Work Scheduling).
  In the Basic Data 1 view, ensure that the Production Unit of Measure is defined.
  Save the changes.
  
  
  
  Check Material Type:
  
  Ensure that the material type allows for production activities. You can check this in the configuration settings (transaction code SPRO).
  Navigate to Logistics - General > Material Master > Basic Settings > Material Types and verify the settings for the material type in question.
  
  
  
  Review Configuration:
  
  If the issue persists, review the configuration settings related to quantity conversion and production units in the system.
  Ensure that the necessary settings for unit of measure conversion are correctly configured.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, materials can have multiple units of measure (e.g., base unit, purchasing unit, sales unit, production unit). Each unit of measure can have conversion factors defined.
  Material Master Views: The material master is divided into various views, and each view contains specific data relevant to different functions (e.g., purchasing, sales, production).
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  MMBE: Stock Overview
  CS01: Create Bill of Material (BOM)
  
  
  
  By following these steps, you should be able to resolve the error and ensure that the material master is correctly configured for production activities.