How To Fix 40321 - Unit & is incorrect

SAP Error Message - Details

• Message type: E = Error

• Message class: 40 - Messages for Process Orders

• Message number: 321

• Message text: Unit & is incorrect

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 40321 - Unit & is incorrect ?

  The SAP error message 40321, which states "Unit & is incorrect," typically occurs when there is an issue with the unit of measure (UoM) being used in a transaction or master data record. This error can arise in various contexts, such as during the creation of material master records, sales orders, or purchase orders.
  Cause:
  
  Invalid Unit of Measure: The unit of measure being used is not defined in the system or is not valid for the specific context (e.g., material type, transaction type).
  Configuration Issues: The unit of measure may not be properly configured in the system settings, or it may not be assigned to the relevant material or product.
  Data Entry Errors: There may be a typographical error in the unit of measure entered by the user.
  Missing Master Data: The unit of measure may not be linked to the material in the material master data.
  
  Solution:
  
  Check Unit of Measure: Verify that the unit of measure you are trying to use is valid and exists in the system. You can do this by navigating to the relevant configuration or master data transaction (e.g., MM03 for material master).
  Review Configuration: Ensure that the unit of measure is correctly configured in the system. This can be done in the following way:
  
  Go to the transaction code OMN1 to check the units of measure settings.
  Ensure that the unit of measure is assigned to the relevant material type and is valid for the specific transaction.
  
  
  Correct Data Entry: If the unit of measure was entered incorrectly, correct it and try the transaction again.
  Update Material Master: If the unit of measure is missing from the material master, you may need to update the material master record to include the correct unit of measure.
  Consult Documentation: If you are unsure about the correct unit of measure to use, consult the relevant documentation or guidelines for your organization.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) to manage material master data.
  Unit of Measure Tables: The unit of measure definitions can be found in tables like T006 (Units of Measure) and T006A (Units of Measure: Language-Dependent Texts).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP's official documentation for further assistance.