How To Fix Q3168 - Unit of measure & is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: Q3 - QM Master Data Messages: Catalogs

• Message number: 168

• Message text: Unit of measure & is invalid

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 Q3168 - Unit of measure & is invalid ?

  The SAP error message Q3168, which states "Unit of measure & is invalid," typically occurs when there is an issue with the unit of measure (UoM) being used in a transaction or process. This error can arise in various contexts, such as during the creation of a material, when entering data in a sales order, or while processing inventory.
  Causes:
  
  Invalid UoM: The unit of measure being used is not defined in the system or is not valid for the material or transaction type.
  Configuration Issues: The unit of measure may not be properly configured in the material master or in the relevant settings.
  Missing UoM Conversion: If the UoM is supposed to have a conversion factor with another UoM, and that conversion is missing, it can lead to this error.
  Inactive UoM: The unit of measure may be inactive or not allowed for the specific transaction or material type.
  Data Entry Errors: There may be a typographical error in the UoM entered by the user.
  
  Solutions:
  
  
  Check UoM Definition:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) to check if the UoM is defined in the system.
  Ensure that the UoM is active and correctly configured.
  
  
  
  Review Material Master:
  
  Use transaction code MM03 to display the material master and check the UoM settings.
  Ensure that the UoM is valid for the material and that it is included in the relevant views (Basic Data, Sales, Purchasing, etc.).
  
  
  
  Verify UoM Conversion:
  
  If applicable, check the conversion factors between different UoMs in the material master to ensure they are set up correctly.
  
  
  
  Correct Data Entry:
  
  Double-check the UoM entered in the transaction for any typographical errors.
  Ensure that the UoM matches the expected format and values defined in the system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to units of measure for additional guidance on configuration and usage.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM03 - Display Material
  CUNI - Maintain Units of Measure
  MM02 - Change Material
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to unit of measure errors.
  User Roles: Ensure that the user has the necessary permissions to access and modify UoM settings.
  
  By following these steps, you should be able to identify and resolve the cause of the Q3168 error in SAP.