How To Fix COM_PRODUCT_UNIT020 - Unit of measure & is not defined for product

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_PRODUCT_UNIT - Messages on Units of Measure

• Message number: 020

• Message text: Unit of measure & is not defined for product

Self-Explanatory Message

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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 COM_PRODUCT_UNIT020 - Unit of measure & is not defined for product ?

  The SAP error message COM_PRODUCT_UNIT020 indicates that a specific unit of measure (UoM) is not defined for a product in the system. This error typically arises when you are trying to perform an operation (like creating a sales order, purchase order, or inventory transaction) that requires a unit of measure that has not been set up for the specified product.
  Cause:
  
  Missing Unit of Measure: The unit of measure you are trying to use for the product is not defined in the system.
  Incorrect Product Configuration: The product may not have been properly configured in the material master data.
  Data Entry Error: There may be a typo or incorrect entry in the unit of measure field.
  
  Solution:
  To resolve the error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the Material Master (Transaction Code: MM03).
  Enter the product number and check the "Basic Data" and "Sales Org. Data" views to see if the required unit of measure is defined.
  If the unit of measure is missing, you will need to add it.
  
  
  
  Define Unit of Measure:
  
  If the unit of measure is not defined, you can add it by using Transaction Code: MM02 (Change Material).
  Navigate to the "Units of Measure" view and add the required unit of measure.
  
  
  
  Check UoM Conversion:
  
  Ensure that any necessary conversion factors are defined if you are using multiple units of measure for the same product.
  
  
  
  Review Configuration:
  
  If you are using a custom product or a specific industry solution, ensure that the configuration settings allow for the use of the desired unit of measure.
  
  
  
  Consult Documentation:
  
  Review any relevant SAP documentation or help files for additional guidance on unit of measure settings.
  
  
  
  User Authorization:
  
  Ensure that you have the necessary permissions to make changes to the material master data.
  
  
  
  Related Information:
  
  Unit of Measure Types: Understand the different types of units of measure (e.g., base unit, sales unit, purchase unit) and how they relate to each other.
  SAP Notes: Check SAP Notes for any known issues or patches related to unit of measure handling.
  Training: Consider training or resources on material master data management in SAP to prevent similar issues in the future.
  
  By following these steps, you should be able to resolve the COM_PRODUCT_UNIT020 error and ensure that the necessary unit of measure is defined for the product in question.