How To Fix OD651 - Not a valid UoM for mass or volume. Enter a valid UoM.

OD651 - Overview

• Message type: E = Error

• Message class: OD - IS-Oil: TSW Traders' and Schedulers' Workbench messages

• Message number: 651

• Message text: Not a valid UoM for mass or volume. Enter a valid UoM.

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OD651 - Not a valid UoM for mass or volume. Enter a valid UoM. ?

  The SAP error message OD651, which states "Not a valid UoM for mass or volume. Enter a valid UoM," typically occurs when a user attempts to enter a unit of measure (UoM) that is not recognized by the system for mass or volume-related transactions. This can happen in various contexts, such as during the creation of material master records, purchase orders, or inventory management.
  Causes:
  
  Invalid UoM: The UoM entered does not exist in the system or is not defined for the specific material type.
  
  Configuration Issues: The UoM may not be configured correctly in the system settings, or it may not be assigned to the relevant material.
  Material Type Restrictions: Certain material types may only allow specific UoMs for mass or volume.
  Data Entry Errors: Typographical errors or incorrect formatting when entering the UoM.
  
  Solutions:
  
  
  Check UoM List: Verify that the UoM you are trying to use is valid. You can do this by checking the