How To Fix DU031 - Enter a unit or reference field for &1

DU031 - Overview

• Message type: E = Error

• Message class: DU - Data transfer to SAP-EIS

• Message number: 031

• Message text: Enter a unit or reference field for &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.

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DU031 - Details

• The SAP error message DU031 ("Enter a unit or reference field for &1") typically occurs in the context of material management or inventory management when a user is trying to perform an action that requires a unit of measure or a reference field, but this information is missing or incorrectly specified.
  
  Cause:
  
  Missing Unit of Measure: The most common cause is that the unit of measure for the material or item is not specified in the transaction.
  Incorrect Configuration: The material master data may not be properly configured, leading to missing or incorrect unit of measure settings.
  Reference Field Not Populated: If the transaction requires a reference field (like a purchase order number, delivery note, etc.) and it is not filled in, this error can occur.
  Data Entry Error: The user may have overlooked entering the required fields during the transaction.
  
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and ensure that