How To Fix /CWM/MD008 - Alternative unit of measure &1 must be defined as PUoM alternative

SAP Error Message - Details

• Message type: E = Error

• Message class: /CWM/MD -

• Message number: 008

• Message text: Alternative unit of measure &1 must be defined as PUoM alternative

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 /CWM/MD008 - Alternative unit of measure &1 must be defined as PUoM alternative ?

  The SAP error message /CWM/MD008 Alternative unit of measure &1 must be defined as PUoM alternative typically occurs in the context of SAP's Advanced Planning and Optimization (APO) or in the context of Material Management (MM) when dealing with units of measure (UoM) for materials.
  Cause:
  This error indicates that the alternative unit of measure (UoM) specified for a material is not correctly defined as a Purchase Unit of Measure (PUoM) alternative in the system. In SAP, each material can have multiple units of measure, and these must be properly configured to ensure that transactions involving the material can be processed correctly.
  Solution:
  To resolve this error, you need to ensure that the alternative unit of measure is defined correctly in the material master data. Here are the steps to do this:
  
  
  Access Material Master Data:
  
  Go to transaction code MM02 (Change Material) or MM03 (Display Material).
  Enter the material number and select the appropriate views (usually the Basic Data or Purchasing views).
  
  
  
  Check Units of Measure:
  
  In the Basic Data view, check the "Units of Measure" section.
  Ensure that the alternative unit of measure (UoM) you are trying to use is listed there.
  
  
  
  Define Alternative UoM:
  
  If the alternative UoM is not defined, you need to add it.
  In the Purchasing view, ensure that the alternative UoM is set as a Purchase Unit of Measure (PUoM) alternative.
  You can do this by selecting the appropriate UoM and marking it as a PUoM alternative.
  
  
  
  Save Changes:
  
  After making the necessary changes, save the material master data.
  
  
  
  Check Configuration:
  
  If you are still facing issues, check the configuration settings in the Customizing (SPRO) for Material Management to ensure that the UoM settings are correctly defined.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, a UoM is a standard quantity used to measure the amount of a material. Common examples include pieces, kilograms, liters, etc.
  Purchase Unit of Measure (PUoM): This is the unit in which a material is purchased. It can be different from the base unit of measure.
  Material Master Views: The material master has various views that contain different types of information about the material, including purchasing, sales, and basic data.
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  MM04: Display Material Changes
  
  
  
  By following these steps, you should be able to resolve the error and ensure that the alternative unit of measure is correctly defined in the system. If issues persist, consider consulting with your SAP support team or reviewing SAP documentation for further troubleshooting.