How To Fix XU046 - Unit of measure & is not a principal unit of measure. Please check.

SAP Error Message - Details

• Message type: E = Error

• Message class: XU - Messages for Quantity Conversion at Batch Level (Steel-AI)

• Message number: 046

• Message text: Unit of measure & is not a principal unit of measure. Please check.

What causes this issue?

Processing is carried out for the material using proportion/product
units. Therefore, you can only use the principal alternative unit of
measure here.
In the case of proportion units, this unit of measure is explicitly
defined in the material master.
In the case of product units, this is the production unit. The
production unit must also be a product unit.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Please choose another unit of measure.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message XU046 - Unit of measure & is not a principal unit of measure. Please check. ?

  The SAP error message XU046 indicates that the unit of measure (UoM) you are trying to use is not recognized as a principal unit of measure for the material or item in question. This can occur in various transactions, such as when creating or updating material master records, processing purchase orders, or handling inventory movements.
  Cause:
  
  Incorrect Unit of Measure: The unit of measure you are trying to use is not defined as a principal unit of measure in the material master.
  Configuration Issues: The unit of measure may not be properly configured in the system, or it may not be assigned to the material.
  Material Master Settings: The material master may not have the correct settings for the unit of measure, leading to this error when trying to perform certain actions.
  
  Solution:
  
  
  Check Material Master:
  
  Go to the material master record (transaction code MM03).
  Check the "Basic Data" view and ensure that the unit of measure you are trying to use is listed as a principal unit of measure.
  If it is not, you may need to change the unit of measure or update the material master to include the correct UoM.
  
  
  
  Define Units of Measure:
  
  If the unit of measure is not defined, you can define it in the system using transaction code CUNI (Unit of Measure Conversion).
  Ensure that the unit of measure is set up correctly and is linked to the appropriate material types.
  
  
  
  Check UoM Group:
  
  Ensure that the unit of measure is part of the correct UoM group. You can check this in the material master under the "Purchasing" or "Sales" views.
  
  
  
  Consult Configuration:
  
  If you have access to configuration, check the settings in the customizing transaction SPRO under:
  
  Logistics -> General -> Master Data -> Material Master -> Define Units of Measure.
  
  
  Ensure that the unit of measure is configured correctly.
  
  
  
  User Authorization:
  
  Ensure that you have the necessary authorizations to make changes to the material master or to use the specific unit of measure.
  
  
  
  Related Information:
  
  Principal Unit of Measure: This is the main unit of measure for a material, which is used for inventory management and reporting.
  Alternative Units of Measure: Materials can have alternative units of measure, but the principal unit must be defined for transactions to proceed without errors.
  Documentation: Refer to SAP Help documentation for more details on material master data and unit of measure settings.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in material management.