How To Fix 881204 - Unit of measure &2 is not defined for material &1

SAP Error Message - Details

• Message type: E = Error

• Message class: 881 - Recycling Administration

• Message number: 204

• Message text: Unit of measure &2 is not defined for material &1

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message 881204 - Unit of measure &2 is not defined for material &1 ?

  The SAP error message 881204, which states "Unit of measure &2 is not defined for material &1," typically occurs when you are trying to perform an operation involving a material that has not been assigned a specific unit of measure (UoM) in the system. This can happen in various transactions, such as when creating a purchase order, sales order, or during inventory management.
  Cause:
  
  Missing Unit of Measure Definition: The specified unit of measure (UoM) for the material is not defined in the material master data.
  Incorrect UoM Usage: The UoM being used in the transaction does not match any of the UoMs defined for the material.
  Material Master Data Issues: The material master record may not be fully maintained, or the relevant views (like Basic Data, Purchasing, Sales, etc.) may not have the necessary UoM information.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to transaction code MM03 (Display Material) and enter the material number (&1).
  Check the Basic Data view and other relevant views (like Purchasing, Sales, etc.) to see if the unit of measure (&2) is defined.
  If the UoM is missing, you will need to add it.
  
  
  
  Define Unit of Measure:
  
  If the UoM is not defined, you can add it by going to transaction code MM02 (Change Material).
  Select the relevant views and add the missing UoM under the appropriate section (e.g., Basic Data, Purchasing, etc.).
  
  
  
  Check UoM Conversion:
  
  Ensure that any necessary UoM conversions are defined if you are using multiple UoMs for the same material.
  
  
  
  Review UoM Settings:
  
  Check the configuration settings for units of measure in the system. This can be done through transaction code OMN1 (Define Units of Measure) to ensure that the UoM is correctly set up in the system.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct UoM to use, consult your organization's documentation or speak with a colleague who is knowledgeable about the material in question.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material
  MM02: Change Material
  OMN1: Define Units of Measure
  
  
  Material Master Views: Ensure that the relevant views are maintained for the material.
  Unit of Measure Groups: Check if the material is assigned to the correct UoM group.
  
  By following these steps, you should be able to resolve the error message and ensure that the material is properly configured in the SAP system.