How To Fix L1026 - Unit of measure is not maintained (check your entry)

SAP Error Message - Details

• Message type: E = Error

• Message class: L1 - Message handling for WM master data

• Message number: 026

• Message text: Unit of measure is not maintained (check your entry)

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 L1026 - Unit of measure is not maintained (check your entry) ?

  The SAP error message L1026, which states "Unit of measure is not maintained (check your entry)," typically occurs in the context of logistics and inventory management when a user attempts to process a transaction involving a material that does not have a defined unit of measure (UoM) in the system.
  
  Cause:
  
  Missing Unit of Measure: The most common cause of this error is that the material master record for the item being processed does not have a unit of measure defined.
  Incorrect Entry: The user may have entered a unit of measure that is not valid or recognized by the system.
  Material Type Restrictions: Certain material types may have specific requirements for units of measure that are not met.
  
  Configuration Issues: There may be configuration issues in the system that prevent the unit of measure from being recognized.
  
  
  Solution:
  
  
  Check Material Master:
  
  Go to the material master record (transaction code MM03).
  Verify that the unit of measure is maintained